Sodium Diamidophosphat Structural Formula … 2 Names and Identifiers Expand this section. Metaphosphoric acid CAS 37267-86-0 WIKI information includes physical and chemical properties, USES, security data, NMR spectroscopy, computational chemical data and more. (inorganic chemistry) Ordinary phosphoric acid, H3PO4 1861, William Odling, A Manual of Chemistry, Descriptive and Theoretical, Part 1[1], page 297: Metaphosphoric acid gives a white precipitate with nitrate of silver solution; orthophosphoric acid does not give any, save on the addition of an alkali, and the precipitate then produced is yellow. Silicon hydroxide. See metaphosphoric acid. The simplest such compound is trimetaphosphoric acid or cyclo-triphosphoric acid having the formula H 3 P 3 O 9. It is best prepared by ion exchange from sodium pyrophosphate or by reacting hydrogen sulfide with lead pyrophosphate. Quadrametaphosphoric acids.jpg 209 × 190; 10 KB. K 60 (silicate) Silton TF 06. Metaphosphoric acid is often used as a moisture- or water-absorbing reagent. The phosphoric acid units can be bonded together in rings (cyclic structures) forming metaphosphoric acid molecules. (Chem.) Polyorthosilicic acid. 10361-03-2 [RN] 13721-43-2 [RN] 14550-21-1 [RN] 233-782-9 [EINECS] Hypophosphoric acid,sodium salt (1:4) Metaphosphoric acid, sodium salt. phosphorique.] Metaphosphoric acid (H4P4O12), tetrasodium salt. Synonym(s): metaphosphoric acid K 320DS. EINECS 236-482-6. Metaphosphoric acid(H6P6O18), sodium salt (1:?) Peroxymonophosphoric acid is a colorless, viscous liquid. The anhydrous acid has two different forms, which melt at 54.3 °C and 71.5 °C. Sipernat 17. Sigma-Aldrich offers a number of meta-Phosphoric acid products. Phosphoric acid is prepared commercially by heating calcium phosphate rock with sulfuric acid; purer grades may be prepared by treating red phosphorus with nitric acid. Interpretation Translation Phosphoric acid. Sodium cyclotetraphosphate (Na4(P4O12)) MLC36A7X39. Sodium hexametaphos phate [Wiki] Sodium metaphosphate. any of three acids, orthophosphoric acid, H3PO4, metaphosphoric acid, HPO3, or pyrophosphoric acid, H4P2O7, derived from phosphorus pentoxide, P2O5, and various amounts of water. It can be deprotonated to form cyclic metaphosphate anions and has applications in biochemistry, agriculture, pharmacy, and chemical research. a. metaphosphoric acid. 13396-41-3. Wikipedia English-Arabic glossary . Metaphosphoric acid monomer.png 472 × 338; 76 KB. Tested on human eyes, 0.16 M orthophosphoric acid buffered to pH 2.5 caused moderate brief stinging sensation but no injury when applied as a single drop. metaphosphoric acid synonyms, metaphosphoric acid pronunciation, metaphosphoric acid translation, English dictionary definition of metaphosphoric acid. Phosphinic acids Synthesis V1.svg 730 × 151; 45 KB. Polysilicic acid. This acid acts as an acidity regulator in foods like jams, cereal bars, processed meats, cheese, etc. Neoxyl ET. The compound is a triprotic acid with acid dissociation constants pK a1 = 1.1, pK a2 = 5.5 and pK a3 = 12.8. حمض فوسفوريك. Polyphosphoric acid.svg 180 × 120; 10 KB. 2014. Further dehydrating is very difficult, and can be accomplished only by means of an extremely strong desiccant (and not by heating alone). metaphosphoric acid: translation. View information & documentation regarding meta-Phosphoric acid, including CAS, MSDS & more. 6 Literature Expand this section. meta-+ phosphoric acid. 1. Salts of pyrophosphoric acid are pyrophosphates; salts of metaphosphoric acid are metaphosphates. In the beverage industry, phosphoric acid is used as an acidulant. 1 Structures Expand this section. 2007-07-04. Silicic acid (polyortho) EINECS 231-716-3. noun. Vulcasil S/GR. 2020-11-21. Create . Metaphosphoric acid is a singly anhydrous version of orthophosphoic acid and is sometimes used as a water- or moisture-absorbing reagent. F. Since the ends are condensed, its formula has one less H 2 O (water) than tripolyphosphoric acid. Metaphosphoric acid is a singly anhydrous version of orthophosphoic acid and is sometimes used as a water- or moisture-absorbing reagent. 3 Chemical and Physical Properties Expand this section. Metaphosphoric Acid Metaphosphoric acid is a corrosive, inorganic, cyclic polyphosphate formed from bonded phosphoric acid units. It is stabilized by an intramolecular hydrogen bond. Its structure is shown in the illustration. n. A clear colorless solid or syrupy liquid, H3PO4, used in fertilizers, detergents, food flavoring, and pharmaceuticals. In aqueous solutions it slowly undergoes hydrolysis to hydrogen peroxide and phosphoric acid. Metaphosphoric acid (HPO3), sodium salt. Phosphoric(V) acid synonyms, Phosphoric(V) acid pronunciation, Phosphoric(V) acid translation, English dictionary definition of Phosphoric(V) acid. Phosphorodithioic acid.svg 165 × 47; 194 KB. Metaphosphoric acid, tetrasodium salt. UNII-4OI8D3YOH1. However, there is an ongoing debate about the health effects and benefits of this acid. CAS 14550-21-1 WIKI information includes physical and chemical properties, USES, security data, NMR spectroscopy, computational chemical data … Metaphosphorous acid.jpg 101 × 61; 3 KB. Caswell No. Its structure is shown in the illustration. It helps keep a check on fungi and bacteria formation. What are synonyms for metaphosphoric acid? Phosphoric acid units can be bonded together in rings (cyclic structures) formed of metaphosphoric acid molecules. - MahRain. Phosphoric acid. IMHO this article is a real mess: 1. CID 3084658 (Metaphosphoric acid) CID 23954 (Silver) Dates: Modify . [Cf. (wikipedia.org) Metaphosphoric acid is a singly anhydrous version of orthophosphoic acid and is sometimes used as a water- or moisture-absorbing reagent. Since the ends are condensed, its formula has one less H 2 O (water) than tripolyphosphoric acid. 7 Classification Expand this section. H-Ilerit. Zeosil 45. 1 word related to metaphosphoric acid: polyphosphoric acid. Sodium tetrametaphosphate (Na4P4O12) Sodium cyclotetraphosphate (Na4P4O12) Tetrametaphosphoric acid, tetrasodium salt. Further dehydrating is very difficult and can only be accomplished by means of an extremely strong desiccant (and not by heating alone). Phosphoric acid, O=P(OH) 3, distinguished by ortho- from metaphosphoric and pyrophosphoric acids, (HPO 3) n and OP(OH 2)OP(OH) 2 O, respectively, which are anhydrides of H 3 PO 4; the ultimate anhydride is phosphorus pentoxide, P 2 O 5. We found 18 dictionaries with English definitions that include the word metaphosphoric acid: Click on the first link on a line below to go directly to a page where "metaphosphoric acid" is defined. Anhydrous phosphoric acid, a white low-melting solid, is obtained by dehydration of 85% phosphoric acid by heating under a vacuum. Chem. Sipernat 50S. Pyrophosphoric acid, also known under the name diphosphoric acid, is colorless, odorless, hygroscopic and is soluble in water, diethyl ether, and ethyl alcohol. It is used in pickling and rust-proofing metals, in acidifying jellies and beverages, and in preparing phosphate salts. The simplest such compound is trimetaphosphoric acid or cyclo-triphosphoric acid having the formula H 3 P 3 O 9. Contents. Файл ... Використання в fr.wikipedia.org Acide métaphosphorique; Acide du phosphore; Використання в it.wikipedia.org Acido metafosforico; Використання в ru.wikipedia.org Метафосфорная кислота; Орто-, мета-, пара- 4OI8D3YOH1. However after 24 and 48 h of exposure, the relative concentration of metaphosphates (P[[O.sub.3].sup.-]) increases significantly with increasing exposure time. Sipernat D 10. Sizol 030. Synonyms for metaphosphoric acid in Free Thesaurus. Файл:Metaphosphoric acid.svg. Polyphosphoric acids.jpg 147 × 130; 7 KB. 734. Sipernat 50. 14 november 2005. (Chem.) Phosphate; Phosphorus; Look at other dictionaries: Phosphoric acid — Phosphoric Phos*phor ic, a. 4 Related Records Expand this section. Else: there are several ways to produce phosphoric acid, from Wet acid (green acid) that is obtained through the sulphur process described here, but also through a Thermal process, that produces very pure phosphoric acid through the reaction of Water with elemental phosphorus (Yellow phosphorus). (wikipedia.org) Перейти до навігації Перейти до пошуку. Phosphoric acid (orthophosphoric acid, metaphosphoric acid) topically may irritate and injure the eyes, owing to its acidity, but systemically phosphate has no poisonous action on the eye 23). 1. metaphosphoric acid (plural metaphosphoric acids) an anhydrous form of phosphoric acid that exists as a polymeric glassy solid, … [1785 95] * * * chemical compound also called… Wikipedia English-Arabic glossary . Antonyms for metaphosphoric acid. It also adds to the taste of these drinks. Metaphosphoric acid(HPO3), lithium salt (8CI,9CI) CAS 13762-75-9 WIKI information includes physical and chemical properties, USES, security data, NMR spectroscopy, computational chemical data … Noun . 5 Chemical Vendors. metaphosphoric acid: an anhydride of phosphoric acid used as a reagent and in the manufacture of zinc oxyphosphate cement for dentistry. HSDB 773. 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