Kale and bok choy If you're watching your intake of oxalates, kale and bok choy are nutrient-rich greens with just 2 milligrams and 1. eg. Borax is an active ingredient in many cleaners. It appeared to raise the grain just a bit more than other products, but there were considerably fewer wood fibers in the rinse water. Loading and transportation requirements apply to you when purchasing or collecting this product.Jac Jay Oxalic Acid is a naturally occurring component of plants and vegetables such as parsley and spinach.Use: As a cleaning agent, rust remover, mould killer, stain lifter and bleaching agent. When Oxalic Acid, with the chemical formula 3H2C2O4, comes into contact with rust, it displaces the iron oxide (rust) and forms iron oxalate and water. Oxy Solve House and Siding Pressure Washer Cleaner - Removes Stains from Mold & Mildew on Vinyl, Aluminum, Wood, Brick, Stucco - Concentrate 1 Gal. It also analyzed reviews to verify trustworthiness. Practical Sailor solicited teak care tips from a few industry veterans, and we found that maintenance methods are like snowflakes: No two are alike. When it arrived the shipping label was facing up, the pale was laying on it's side, the top was off the bucket and about a pound of Oxalic Acid was laying in the box and leaking out when I picked up the box from my front porch. Bottom line: We Recommend the Sea Safe for teak cleaning. http://www.ebay.co.uk/itm/500g-Oxalic-Acid-Hull-Deck-GRP-Cleaner-Rust-Remover-/280393110775?pt=UK_CarsParts_Vehicles_BoatEquipment_Accessories_SM&hash=item4148bb54f7. OXALIC ACID is hygroscopic and sensitive to heat. Because it lacks surfactants, it may be less effective on teak that has been oiled and is black with dirt, but we couldnt tell the difference. Oxalic Acid DrugBank Accession Number DB03902 Background. OXALIC ACID POWDER is a colourless crystalline solid that forms a colourless solution in water and is used for a variety of cleaning applications. Mix up a saturated solution of oxalic acid [Amazon] by adding the crystals to a jar of warm water with a plastic spoon ( Photo 4 ). USE for Home, Garden, Industrial & Commercial Applications SAFE Resealable storage container with child resistant cap Customers also search liquid oxalic acid Spray or apply evenly across wood surface with a mop or bristle brush and let sit 20-30 min or until dry. OXALIC ACID POWDER has some success at removing both bore stains and rust however a purpose made product is nearly always better. John Nealcaptain of Mahina Tiare, a Hallberg-Rassy 46 sail-training shipsaid he rinses the deck regularly and that once a year, he washes the decks with a very soft, fluffy brush and a solution of fresh water, bleach, and dish soap. Harmful if swallowed. Use: As a cleaning agent, rust remover, mould killer, stain lifter and bleaching agent. A common. Boiling works especially well for this. APPLICATION 1. The 2kg container for $27 should last you a looooooooong while. Features:BKF does not contain bleach, making it ideal for cleaning stainless steel. as a result I need to clean her up pretty frequently so it's expensive to use Y10 - which IS a good product. Mix a 2.8% oxalic acid solution by dissolving 1.23 oz (35 g) of Oxalic Acid Dihydrate in 0.26 gal (1 L) of 1:1 sugar: water (weight:volume). The Soap And Warm Water Method. It is also used as a mordant in dyeing . The product is fine. We used a 12 volt 115 amp hour lead-acid "leisure" battery, of the type used in a caravan and effectively the same as a normal car or truck battery. It is an odorless chemical compound. Terms and Conditions Check my maths . All rights reserved. The chemical makeup is similar for most commercial teak cleaners: They use organic acids (usually oxalic acid) to break down difficult stains, and surfactants help remove oils and increase acid penetration. Weaver, Oxalate: effect on calcium absorbability. American Journal of Clinical Nutrition, October 1989. Gloves and waterproof kneepads are required when applying them. Privacy Policy. Correct usage and handling of this product should not result in any problems or health issues. 25 reviews. It can be placed in the sun for heavy staining or speeding the process, but be careful to do this in a well-ventilated area or avoid breathing fumes that can be created by the heat. Store bees in a cool darkened room for 72 hours before hiving . STAIN REMOVAL USING OXALIC ACID . This article is for information only. According to Tieger, sealing the deck with an oil or sealer will prolong the life of the teak and will protect the wood from getting the washboard look when the soft grains wear away. Global Oxalic Acid Industry. Reproduction in whole or in part without permission is prohibited. Choose Time of Delivery. Andrew Weil, M.D. The Oxalic Acid Method. We used Savograns Wood Bleach for testing, and it cost $5 for a 12-ounce tub. or Healthy Lifestyle Brands. It was not effective on soaked-in stains or for restoring teaks natural color. Oxalic acid is toxic because of its acidic and chelating properties. Thanks all - its the wallpaper paste solution for me!! . Use the scrubbing brush to scrub the stains. The objective of the invention is for overcoming above-mentioned the deficiencies in the prior art part, a kind of method of preparing oxalic acid by potato starch residue is provided, it is starch and Mierocrystalline cellulose that the method is utilized the main component of potato starchy residue, be hydrolyzed with the vitriol oil, further use again nitric acid oxidation, starch wherein . There is a surprising amount of paint left hidden behind the rust. We also tested a borax solution as a second cleaning step, using it to neutralize residual acid, clean, and provide anti-fungal properties. For more limited or direct applications, mix 1 tablespoon oxalic acid into 1 cup of warm water. You can find bleach in any grocery or big box store for less than $3 per gallon. View available times. Balance high-oxalate foods with other fruits and vegetables to help ensure good health. Oxalic acid is the third ingrediant listed, but no %age given. For light staining start with 2 tablespoons of oxalic acid in 1/2 gal water. Discover more about the small businesses partnering with Amazon and Amazons commitment to empowering them. It's found in vegetables like sorrel, spinach, and rhubarb. For more power or a large number of crystals, increase up to 2 cups oxalic dissolved in 2 gal water. : In past issues of Practical Sailor, we tested and compared commercially available teak cleaners (see PS March 2008 and May 2010 online). For this reason susceptible individuals are advised to follow a low-oxalate diet. : 6100-20-5. In 1882, an Indianapolis chemist noticed how clean and shiny his tarnished pot was after cooking rhubarb. Diggers Timber Cleaner (Concentrated Oxalic Acid) cleans new timber and restores old greying timber prior to oiling, staining and painting. UltraPrep Timber Cleaner is also used to clean and prepare new timber for coating by removing the dirt, tannins, oils and other contaminants that are present. Oxalic acid is an organic compound. It does not affect calcium absorption from dairy products. When I was an apprentice painter we used Oxalic acid to remove water stains from timber prior to varnishing. Exclusive Lifestyle, Nutrition & Health Advice. Two test boards-one cleaned with oxalic acid and the other with Star brite Sea Safe (which contains oxalic acid)-were cleaned with the borax solution as a second step, followed by a very light scrub. example, a typical 2 lb package contains approximately 7,000 bees which requires 21 mL of solution). Its cheap, not poisonous like oxalic acid, and you can in emergency put it in your G&T in place of lemon ! By Solution to Package Bees (Oxalic acid in sugar solution is applied as a spray to the package) 2. We used the Up-and-Up brand (Target store brand) for testing. In this round of tests, borax (a half-cup per quart of warm water) was moderately effective, but not as effective as acid-based cleaners. Concentration of solution varies by quantity and degree of staining of the mineral. Its not anywhere near as hazardous as is often implied on here, as long as basic precautions are taken. You must log in or register to reply here. Still, we question the logic of using one. 2010), OA was only registered in the United States for control against Varroa in 2015. Re: Oxalic Acid- will it damage my paint? Note: Too much oxalic can cause quartz to yellow slightly. This is a painful condition that affects the vulva, the area around the opening of the vagina; symptoms are burning, itching, soreness, stinging, or throbbing sensations. View available times The chemical villain in rhubarb leaves is oxalic acid, a compound also found in Swiss chard, spinach, beets, peanuts, chocolate, and tea. Compare Product No. The final concentration is 3.2% w/v oxalic acid (7.5 * 0.714)/167 * 100 = 3.2% 9. Shake UltraPrep Timber Cleaner thoroughly. To remove bore stains & rust make a solution of 1 part Oxalic to 10 with water and apply. For therapeutic goods, always read the label and follow the directions for use on pack. Chlorine bleach is a mainstay ingredient for washing residential decks. 2. and We brush-applied each test cleaner to one plank, waited 10 minutes, brushed across the grain for about 5 seconds, and then, rinsed. 3. Our skepticism is supported by our own experience, previous testing, and input from long-term cruisers, but we wanted to devise a test to investigate chain twisting. . "Oxalic Acid." Wikipedia, Wikimedia Foundation, 12 Sept. 2019, Available here. A respirator isnt necessary, but you might want eye protection. Using Oxalic Acid to Brighten a Deck Outside Cleaners 2.25K subscribers Subscribe Like 64K views 5 years ago This video illustrates the use of oxalic acid to brighten and beautify a mahogany. L 1 sulphamic acid and an excess of potassium permanganate added. And you need not worry about using stock in which chard or other green vegetables containing oxalates are cooked. We tested it undiluted, and the end result was very similar to using just oxalic acid. No name Coles or Woolworths or any other name works the same. It sells for about $1.25 for a 64-ounce bottle. Diggers Rust and Stain Cleaner is a naturally occurring biodegradable organic product which effectively removes stains and cement residue. Two-part teak cleaners complete the cleansing with a neutralizer/mild cleaner. If you are a commercial user seeking bulk chemical quantities, please add to enquiry and submit the form, and we will be in touch with a personalised quote. Thanks for doing that Philip. Introduction. from what I have seen through searches, the action on rust is similar: oxalic acid/phosphoric acid/acetic acid, I suggest a longer soak, a lower concentration is a slower process. Mix a 2.8% oxalic acid solution by dissolving 35 g of Oxalic Acid Dihydrate in 1 liter of 1:1 sugar: water (weight:volume). the conventional wisdom is to keep oxalic acid away from aluminium and anodised finishes. Join Dr. Weil on Healthy Aging, your online guide to the anti-inflammatory diet. It produces a colourless solution dissolving in water. Key to our past and future success is the Companys ability to understand, support and fulfill evolving customer requirements. Oxalic acid poisoning. It is a mild bleaching agent that also rejuvenates tired looking timber. We found it selling online for $1 for 16 ounces. We left the cleaned samples in a damp, shaded area for two months to see whether some better resisted soil and mildew. Remove surface dirt by sweeping or washing down with water. It is especially toxic when ingested. (If the wood has oxidized - for example, cherry darkening - oxalic acid may lighten it back to its original color.) Please be aware, this product is considered a dangerous good and the amount able to be purchased may be restricted. Relative performance on teak and acacia were very similar. There are many processes to extract it from vegetation, but modern methods manufacture it through the oxidation of carbohydrates or glucose using nitric acid or vanadium pentoxide. 99.6% PURE OXALIC ACID Powder! Oxalic acid treatment via sublimation requires the beekeeper to buy or borrow an applicator. It also occurs in some other vegetables as well as in cocoa powder, peanuts, sweet potatoes, bran flakes, potato chips and French fries. Can too much oxalic acid cause health problems? |May 21, 2018 1 min Oxalic acid (or oxalate) is the component of spinach, chard, beet greens, and rhubarb that accounts for their sharp taste. The canned product's primary active ingredient is oxalic acid.Bar Keepers Friend has various cleaning uses. In oxalic acid, there is one one bond separating the two carboxylic groups, so they can exert a strong inductive effect. Abstract. This information is intended as a guide only, including because products change from time to time. The heating of mixtures of Oxalic acid and urea has lead to explosions. Save my name, email, and website in this browser for the next time I comment. It is what I suggest as a compound for washing away mildew. Top subscription boxes right to your door, 1996-2023, Amazon.com, Inc. or its affiliates. Global Oxalic Acid Market to Reach $711. Intergrain UltraPrep Timber Cleaner is a high strength cleaner that restores grey, rust or tannin stained, mould or mildew affected timber to a clean appearance, suitable for coating. Harmful if swallowed. The DIY formulas we tested used oxalic acid, bleach, borax powder, lactic acid, ammonia, and a popular alkaline cleaner as active ingredients. Robert P. Heaney and C.M. Keep wet for 10 -20 minutes with solution and then wash clean with copious amount of water. Hundreds of Home, Garden, Laboratory, Industrial, and Commercial Uses! Goggles or safety specs and impervious gloves. Mix Oxalic powder with water to create a solution of Oxalic acid. Oxalic acid, often referred to as wood bleach, was once a common hardware store chemical, but in most places, you must now order it online. Also, if you like the rich colors of teak, bleach (1 cup per quart of water) may lighten the wood too much for your tastes. And in succinic and subsequent diacids it is almost unmeasurable due to the distance between the groups. Suitable for:Bar Keepers Friend Cleanser & Polish is famous for removing rust, metal tarnish, mineral deposits, and stains from most hard surfaces. The results were surprising. Woolworths provides general product information such as nutritional information, country of origin and product packaging for your convenience. Suggestions will appear below the field as you type, Please sign inor create an accountto use Project Lists. (If youve had a kidney stone and want to avoid another one, you should have a blood test for oxalate; if your level is low, you dont need to bother with a low-oxalate diet.). We know the theory behind using an anchor swivel: The swivel releases any twists in the chain when an anchored boat swings through 360 degrees or more. Once or twice a year, Neal uses a borax solution to prevent mildew. For a better experience, please enable JavaScript in your browser before proceeding. The ph scale goes from 0 to 14. Axit Oxalic c s dng lm sch khong cht v l mt thuc th quan trng trong chui nguyn t ha hc lanthanide (15 nguyn t kim loi). Help others learn more about this product by uploading a video! , Manufacturer Regularly cleaning with these products will shorten a teak decks life. Collect Flybuys points when you shop in-store or online! Do not ingest, inhale or get in eyes. The red guard looks great. Fine Sandpaper Treatment. Observing the products after 60 days in a damp location revealed no changes in our performance rankings. Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them. Youll need more acidity when dealing with mineral deposits, or rust stains. If desired, a borax solution (half-cup of borax per quart of warm water) can be used as a second step to neutralize residual oxalic acid, brighten the wood, and impart some temporary mildew protection. Cleaning with ammonia was suggested by a reader, and it surprised us with very good results. The key difference between oxalate and oxalic acid is that oxalate is an anion whereas oxalic acid is an organic compound. Rinse deck with clean water. Dosage varies by intended application, 99.6% Pure. YOTOO Heavy Duty Hybrid Garden Water Hose 5/8-Inch by 100-Feet 150 PSI Kink Resista 3M Respirator Cartridge 6003, 1 Pair, Helps Protect Against Organic Vapors or Acid BEEXTM Oxalic Acid Vaporizer 150W 12V Oxalic Acid atomizing Equipment for Beekeepin Fevone Garden Hose 100 ft Heavy Duty Water Hose 5/8 Garden Hose 100 feet Lightweigh 3M Respirator Cartridge 6006, 1 Pair, Helps Protect Against Organic Vapors, Acid Ga 1/2" Female NPT in-Line Strainer with 100 mesh Stainless Steel Filter Screen (1/2 Brief content visible, double tap to read full content. Oxalic acid may be cheap, but that is a lot of apiary visits for a method that does not even . To determine whether the cleaners would harm aluminum, we brush-applied each product to a section of scrap aluminum toerail, and allowed it to sit for 20 minutes before rinsing. 5 Star product with a 1 star shipper. Using an active ingredient that's found in the plant he formulated a talcum-smooth cleanser and sold it to the city's taverns. Respirator Cartridge/Filter ,for 6000, 7000 and FF-400 Effective Filtering Organic KDO Oxalic Acid 12V 150W Vaporizer Varroa Beekeeping Tools. Able Westchem 2023. Oxalic Acid, an organic compound which is also known as ethanedioic acid, is an industrial chemical with multiple industrial uses. Oxalic acid, naturally occurs in many plants (spinach, ginger, chocolate, etc. We are a producer of Biodegradable, Ecolabel and non harmful teak cleaner based on natural component like lactic acid , we would like to have more info on how to advertise in your website. I would think the brightener they are referring to is a product with oxalic acid ph1 which is the opposite end of the chemical spectrum. We noted each cleaners results and relative ease of use. If you can contact me please. As little as 5 to 15 grams (71 mg/kg) may be fatal to humans. Some people mix up their own version of Y10 using oxalic acid and wallpaper paste. Belvoir Media Group, LLC. Oxalic Acid - How to use oxalic acid - YouTube 0:00 / 1:34 Oxalic Acid - How to use oxalic acid buildingchemicals 271 subscribers 294K views 10 years ago. Molecular Weight: 254.19. Oxalic acid is commonly used and so the quantities to be used are well documented. Ulcerations of the mouth, vomiting of blood, and rapid appearance of shock, convulsions, twitching, tetany, and cardiovascular collapse may occur following ingestion of oxalic acid or its . It is an essential household chemical that can be used, like many acids, as a cleaner for various things. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. A basic alkaline cleaner, L.A. Products Totally Awesome was anything but. It's useful for removing black water stains without changing the color of the wood. Stronger isn't necessarily better. ..to get rid of brown stains and rust from the topsides? Oxalic acid, also known as ethanedioic acid, can be found naturally found in plants such as buckwheat and spinach, and is a crystalline powder. Few health problems are linked to oxalic acid, although it can cause formation of kidney stones in people with inflammatory bowel disease, primarily because they are unable to regulate the amount they absorb. It ties up calcium in the animal's gut, and cause kidney stones if eaten for extended periods. Free delivery on eligible orders with OnePass. Oxalic acid is an organic substance (with the chemical formula H 2 C 2 O 4) that occurs naturally in high levels in many common foods, including almonds, chocolate, bananas, rhubarb, parsley, tea, beer and spinach. Full content visible, double tap to read brief content. , ASIN This is a water-soluble salt, which can then easily be rinsed away. TYPICAL USES Timber cleaning / preparation / restoration Timber bleaching FEATURES Concentrated formula - makes 5 litres Effective, strong and fast acting Reduces the need for sanding on wooden finishes Place solution and minerals in a covered plastic bucket or container. Oxalic Acid The most common active ingredient in acid-based teak cleaners is oxalic acid, which is often supplemented with additional cleaning agents. But while following a low-oxalate diet was once recommended to prevent kidney stones, recent research suggests that eating more calcium-rich foods to increase oxalate excretion may be more effective. You should not use the information on this website for diagnosing or treating a health problem or disease, or prescribing any medication or other treatment. | ABN 82 009 353 182 | Terms and Conditions | Privacy Policy, Website Design & Hosting by concise.digital. Use undiluted. vulgaris (garden beet group)] is considered a high oxalate food, breeding to decrease oxalic acid levels is an area of interest.In this study, a field trial was conducted over 2 years for 24 members of the . Also used by beekeepers as a miticide against the parasitic Varroa mite. Excellent for removing stains and soap scum from glass shower screens. Fortifying Marine Fabrics Against the Elements. It provided good cleaning with slightly less scrubbing than oxalic acid alone. Oxalic is popularly used for cleaning certain minerals such as quartz, which is commonly contaminated by iron rust. : Doctors may also recommend low-oxalate diets of less than 50 milligrams daily for some people., If youre watching your intake of oxalates,, , which are higher in most vitamins and minerals and only have 28 milligrams of oxalates per cup., Mix other berries in with your raspberries to reduce your oxalate intake., For a sweet fix thats lower in oxalates, try, Journal of Agricultural and Food Chemistry, : Effect of different cooking methods on vegetable oxalate content., : Antioxidants: Preventing Diseases, Naturally., The American Journal of Clinical Nutrition, : "Oxalate: effect on calcium absorbability., : "Probiotics for prevention of urinary stones. A simple scrubbing with water was ineffective on stains. Want to promote overall health and help minimize the risk of inflammatory diseases? with oxalic acid. Box was too big, there was zero padding, and the bucket rolled around inside the box until the top came off. Oxalic acid acts as a reducing agent for metal oxides to remove tarnish as well as rust or ink stains. Let it sit and work for 5-10 minutes, keeping the stain wet, then scrub with a stiff-bristled brush and rinse with fresh water. GREAT FOR: Rust Removal, Iron Stain Removal, Metal Cleaning, Bleaching Agent, Wood Stain Cleaner, Pool Stain Remover & Much More! ", Asia Pacific Journal of Clinical Nutrition, : Oxalate content of foods and its effect on humans., International Journal of Food Sciences and Nutrition, : Oxalates in some Indian green leafy vegetables., : Effect of antibiotics on Oxalobacter formigenes colonization of human gastrointestinal tract.. Also, the biodegradability of its surfactants is not known, so caution should be taken when using it near the water. Bottom line: Although it is not the most effective teak cleaner, borax is Recommended for routine cleaning and as a neutralizing rinse after using an acid cleaner. Its non-bleaching formula contains oxalic acid, which is a naturally occurring, bio-degradable organic acid. : Popular and effective for wood bleaching, including decking. For wood applications, use two cups of acid crystals per gallon of hot water. Collect Flybuys points when you shop in-store or online! Add a spoonful at a time to the water and stir, until a layer of non-dissolved oxalic acid remains at the bottom. Our recommendation is to use a borax solution (half-cup of borax per quart of water) as a periodic cleaning aid, whenever water alone is not enough. Oxalic acid can remove some paints and varnishes. It can make the sap irritating to the mouth, skin, or eyes. Oxalic acid is commonly used as an analytical reagent in textile finishing, in metal, wood, or equipment cleaning, in bleaching straw and leather, in removing paint, varnish, rust, or ink stains, in dye manufacturing, in chemical synthesis, in the paper, ceramics, photographic, and rubber industries, as well as in vitro as a blood specimen All rights reserved. He lets it sit for five minutes or less, and then thoroughly rinses the deck. Oxalic acid is the chemical compound with the formula H 2 C 2 O 4.This dicarboxylic acid is better described with the formula HO 2 CCO 2 H. It is a relatively strong organic acid, being about 10,000 times stronger than acetic acid.The di-anion, known as oxalate, is also a reducing agent as well as a ligand in coordination chemistry. 1989), with no reports of mite resistance to date (Maggi et al. However, many teak-decking and marine-cleaner manufacturers advise against using bleach on teak decks as it will wear away the teak more quickly than other chemicals. Mix one-half cup of the powder in a gallon of warm water and mop it on the stain. Warning . $13.99. Evaluation Oxalic acid dihydrate (the crystalline form) is a dicarboxylic acid, which is a relatively strong organic acid. www.drweil.com. If we consider the acid strength, it is a much stronger acid than acetic acid. Add. 2017). No mention of oxalic acid like on the original ones. For this report, we made our own inexpensive, do-it-yourself teak cleaners and compared their performance to that of the store-bought products. We tested the U.S. Borax Inc. brand, which cost less than $5 for 76 ounces. If you require specific information to assist with your purchasing decision, we recommend that you contact the manufacturer via the contact details on the packaging or call us on 1300 767 969. This product is from a small business brand. As scavengers, oxalic acid or oxalates are components in many technical cleaning formulations and these solutions all work on the assumption that the metal-oxalate compounds formed are water-soluble and thus can easily be washed away. Irritable Bowel Syndrome (IBS) Symptoms, Treatments, Dr. Weil on Healthy Aging - Your Anti-Inflammatory Diet Source. These are water soluble materials which are reddish brown in color. The resulting solution is left for 5 min for the reaction to take place and then the residual . My boat is in an area with (occasionally) high levels of pollution. Details Dimensions Product Package Specifications Colour Other Model Name It is the simplest dicarboxylic acid and has an appearance of a white crystalline solid that forms a colorless solution in water. Bottom line: Cheap, safe, and effective, ammonia is Recommended. Product ratings and reviews are taken from various sources including bunch.woolworths.com.au and Bazaarvoice. Oxalic Acid is a "strong acid" and has a ph of 1.3 (water has a ph of 7). Unable to add item to List. Oxalic acid is a poisonous, colorless substance. Despite its extensive use history in Canada and Europe (Johnson et al. Dark Spot Remover Melasma Treatment for Face and Neck Cruelty Free Facial Serum Anti Aging Vegan (1.01 Fl Oz (Pack of 1)), Oxalic Acid, Dihydrate - Ethanedioic Acid - 5LB Bag - Cleaning Agent - Wood Bleaching - Rust Removal - High Purity - Alliance Chemical, Swimming Pool Cleaner & Spa Stain Remover (2pack, 4 lbs) - Natural Citric Acid Powder Pool Clarifier, Works on Vinyl Liners, Fiberglass, Metals Removes Rust & Stains Without Harsh Pool Chemicals, Harris Borax Laundry Booster and Multipurpose Cleaner, 1.5lb (Unscented), Nutricost Ascorbic Acid Powder (Vitamin C) 2 LBS - Gluten Free, Non-GMO, Learn more how customers reviews work on Amazon. If it contacts tissues, it can cause severe damage, such as burning or ulcers, on contact. Oxalate is the anion that originates from oxalic acid. It also occurs in some other vegetables as well as in cocoa powder, peanuts, sweet potatoes, bran flakes, potato chips and French fries. The grittiness you feel on your tongue is the oxalic acid reacting with the calcium in your saliva to form oxalates (salts of oxalic acid). Jac Jay Oxalic Acid is a naturally occurring component of plants and vegetables such as parsley and spinach.