QB/T 4234-2011
QB/T 4234-2011
QB/T 4234-2011
2-Benzyl-2-dimethylamino-l-[4-(4-morpholinyl)phenyl]-1-butanone
QB/T 4234-2011
QB/T 4234-2011
QB/T 4234-2011
QB/T 4234-2011
QB/T 4234-2011
QB/T 4234-2011
QB/T 4234-2011
QB/T 4234-2011
Chemical reagent Arsenazo Ⅲ
QB/T 4234-2011
2-Amino-2-hydroxymethyl-1,3-propanediol
QB/T 4234-2011
4-(p-Hydroxyphenyl)-2-butanone
QB/T 4234-2011
QB/T 4234-2011
Cosmetic raw materials. Sunscreens. (1,3,5)-triazine-2,4-bis{[4-(2-ethyl-hexyloxy)-2-hydroxy]-phenyl}-6-(4-methoxyphenyl).
QB/T 4234-2011
QB/T 4234-2011
Standard Test Method for Determination of the Content of Nitroxide Radical (4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl) in Butadiene, Styrene and Isoprene by Cyclic Voltammetry Method
QB/T 4234-2011
Cosmetic raw materials. Sunscreens. (1,3,5)-triazine-2,4-bis{(4-(2-ethyl-hexyloxy)-2-hydroxy)-phenyl}-6-(4-methoxyphenyl) and 2,2-methylene-bis-6-(2H-benzotriazol-2-yl)-4-(tetramethyl-butyl)-1,1,3,3-phenol. Determination by liquid chromatography.
QB/T 4234-2011
QB/T 4234-2011
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).