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Boric acid, more specifically orthoboric acid, is a compound of boron, oxygen, ... The preservative in urine sample bottles in the UK is boric acid. [55]
Boric acid, oxides and salts are effective wood preservatives and are supplied under numerous brand names throughout the world. One of the most common compounds used is disodium octaborate tetrahydrate Na 2 B 8 O 13 ·4H 2 O , commonly abbreviated DOT.
Borax is also easily converted to boric acid and other borates, which have many applications. Its reaction with hydrochloric acid to form boric acid is: Na 2 B 4 O 7 ·10H 2 O + 2 HCl → 4 H 3 BO 3 + 2 NaCl + 5 H 2 O. Borax is sufficiently stable to find use as a primary standard for acid-base titrimetry. [17]: p.316
Food additives can be divided into several groups, although there is some overlap because some additives exert more than one effect. For example, salt is both a preservative as well as a flavor. [7] [8] Acidulants confer sour or acid taste. Common acidulants include vinegar, citric acid, tartaric acid, malic acid, fumaric acid, and lactic acid.
Boric acid, a different formulation of the same compound — boron — is also used to kill ants and cockroaches. Borax has been banned in U.S. food products, but some people on TikTok have ...
dehydroacetic acid: preservative 266 U sodium dehydroacetate: preservative 270 A E U lactic acid: acidity regulator, preservative, antioxidant 280 A E U propionic acid: preservative 281 A E U sodium propionate: preservative 282 A E U calcium propionate: preservative 283 A E U potassium propionate: preservative 284 E U boric acid: preservative ...