WebQuestion: Treatment of ammonia with phenol in the presence of hypochlorite yields indophenol, a blue product that absrobs light at 625 nm, which can be used for the spectrophotometric determination of ammonia. OCI 2 OH + NH3 0 indophenol anion To determine the ammonia concentration in a sample of lake water, three samples are … WebThe reaction of ammonia with a phenol and hypochlorite reagent to give indophenol has been utilized by RILEY & SINHASENI (1957), ROSSUM & VILLARRUZ (1963) and MANN, JR. (1963), but the control of hypochlorite con- centration as well as pH is critical. Ammonia in water has been determined recently by ZITOMER & LAMBERT (1962) with a

Phenol and ammonia removal in petroleum refinery

Web1) Phenol-alcohol reagent: dissolve add 10 g of phenol in 95% ethyl alcohol to a final volume of 100 ml (toxic- handle with care). 2) Sodium nitroprusside (nitroferricyanide): dissolve 1 … WebJul 26, 2024 · Amines are classified into primary, secondary, and tertiary amines, according to the number of carbons bonded to to the nitrogen. Primary amines have one carbon … marketing research job description

Reactions of Acid Anhydrides with Nitrogen Compounds

WebOct 19, 2024 · Phenol is used in some throat sprays that can help numb your throat and relieve symptoms caused by a sore throat, or irritation in the mouth caused by canker … WebSep 3, 2024 · A phenol–ammonia cluster is a prototype of an OH–NH interaction and is sometimes used as a DNA model. In the present study, the reaction dynamics of phenol–ammonia cluster cations, [PhOH–(NH3)n]+ (n = 1–5), following ionization of the neutral parent clusters, were investigated using a direct ab initio molecular dynamics … marketing research near me