бензалконий

бензалконий

C₆H₅CH₂N(CH₃)₂R+ An organic radical in which R may range from C₈H₁₇ to C₁₈H₃₇; found in surfactants, as the chloride salt.

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Ipar/Tárgykör: Chemistry
Kategória: Organic chemistry
Company: McGraw-Hill
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бензалконий хлориді

Chemistry; Organic chemistry

C 6 H 5 CH 2 (CH 3 ) 2 NRCl A yellow-white powder soluble in water; used as a fungicide and bactericide; the R is a mixture of alkyls from C 8 H 17 to C 18 H 37 .

этилендиаминтетрасірке қышқылы

Chemistry; Organic chemistry

(HOOCCH 2 ) 2 NCH 2 CH 2 N(CH 2 COOH) White crystals, slightly soluble in water and decomposing above 160_C; the sodium salt is a strong chelating agent, reacting with many ...

абиетин қышқылы

Chemistry; Organic chemistry

C 20 H 30 O 2 A tricyclic, crystalline acid obtained from rosin; used in making esters for plasticizers.

альфин катализаторы

Chemistry; Organic chemistry

A catalyst derived from reaction of an alkali alcoholate with an olefin halide; used to convert olefins (for example, ethylene, propylene, or butylenes) into polyolefin polymers.

бензотиазоль

Chemistry; Organic chemistry

C 6 H 4 SCHN A thiazole fused to a benzene ring; can be made by ring closure from o-amino thiophenols and acid chlorides; derivatives are important industrial products.

целлюлозалық

Chemistry; Organic chemistry

Any of the derivatives of cellulose, such as cellulose acetate.

3,5-диаминобензоқышқыл

Chemistry; Organic chemistry

C 7 H 8 N 2 O 2 Monohydrate crystals with a melting point of 228_C; soluble in organic solvents such as alcohol and benzene; used in the detection and determination of nitrites.

аланил

Chemistry; Organic chemistry

The radical CH 3 CHNH 2 CO_; occurs in, for example, alanyl alanine, a dipeptide.

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Ipar/Tárgykör: Religion Kategória: Catholic church

синод

A meeting of bishops of an ecclesiastical province or patriarchate (or even from the whole world, e. G. , Synod of Bishops) to discuss the doctrinal ...