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Nitrilotriacetic acid

Nitrilotriacetonitrile [628-87-5], N(CH2CN)2, a precursor to nitrilotriacetic acid [139-13-9], N(CH2COOH)2, can be prepared from the reaction of formaldehyde cyanohydrin with ammonia (26). Formaldehyde cyanohydrin is also used as an intermediate in pharmaceutical production. Commercial formaldehyde cyanohydrin is available as a 70% aqueous solution stabiLhed by phosphoric acid. [Pg.413]

Nitrilotriacetic acid [tris(carboxymethyl)amine, NTA, Complexone 1] [139-13-9] M 191.1,... [Pg.308]

Nitric acid, 98 Nitric oxide, 98 Nitrilotriacetic acid, 98 p-Nitroaiiiline, 99 Nitrobenzene, 99 Nitrocarbono SA, 146 Nitrocellulose, 99 p-Nitrochlorobenzene, 99 Nitroethane, 99 Nitrofen, 99 Nitrogen, 99 Nitrogen dioxide, 99 Nitrogen oxides, 99 Nitrogen trifluoride, 99 Nitroglycerin, 100 Nitrokemia 200 Rt., 167 Nitromethane, 100 5-Nitro-o-anisidine, 99 5-Nitro-o-toluidine, 100 Nitrophenols, 100... [Pg.342]

Therapeutic Function Lupus Erythematosus Suppressant Chemical Name Nitrilotriacetic acid bismuth complex sodium salt Common Name —... [Pg.180]

Organic chelant compounds, such as the sodium salts of ethylenedi-aminetetraacetic acid (EDTA) and nitrilotriacetic acid (NTA) are commonly used in BW deposit control treatments, often in combination with phosphates. [Pg.262]

Nitrilotriacetic acid (NTA) and especially its trisodium, monohydrate salt, N(CHC00Na)3,H20. NTA is primarily manufactured by Monsanto Chemical Company, Inc. and Hampshire Chemical. Anhydrous NTA has a MW of 257. It is generally supplied for incorporation into formulations as 40% NTA (42.8% NTA Na3 H20), (Hampene 150). Its chelating activity at a pH level of 11 is 156 mg CaC03 per gram of chelant. That is, 10 ppm of chelant will sequester 1.56 ppm of calcium hardness. [Pg.432]

Magnesium carbonate 4 M ammonium chloride plus 0.4 M trisodium salt of nitrilotriacetic acid (NTA) 2.9... [Pg.122]

Iron can be controlled with certain complexing agents, in particular glucono-5-lactone, citric acid, ethylenediaminetetraacetic acid, nitrilotriacetic acid, hydroxyethylethylene diaminetriacetic acid, hydroxyethyliminodiacetic acid, and the salts from the aforementioned compounds. These compounds must be added together with nitrogen-containing compounds such as hydroxylamine salts or hydrazine salts [486,643,1815]. [Pg.273]

Figure 17-26. Complexing agents for iron control glucono-6-lactone, nitrilotriacetic acid, hydroxyethylene diaminetetraacetic acid, and ethylenediaminetetraacetic acid. Figure 17-26. Complexing agents for iron control glucono-6-lactone, nitrilotriacetic acid, hydroxyethylene diaminetetraacetic acid, and ethylenediaminetetraacetic acid.
White, V. and Knowles, C., Effect of metal complexation on the bioavailability of nitrilotriacetic acid to Chelatobacter heintzii ATCC 29600, Arch Microbiol, 173 (5), 373-382, 2000. [Pg.426]


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Nitrilotriacetate

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