GB/T 37640-2019
Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography
GB/T 37640-2019
Chemical reagent Arsenazo Ⅲ
GB/T 37640-2019
GB/T 37640-2019
D-(-)-para-hydroxyphenylglycine
GB/T 37640-2019
4,4’-Sulfonyldiphenol(Bisphenol-S)
GB/T 37640-2019
Determination of potassium content for compound fertilizers potassium tetraphenylborate gravimetric method
GB/T 37640-2019
GB/T 37640-2019
D(-)Alpha-Parahydroxyphenylglycine Dane Salt(Methyl Potassium)
GB/T 37640-2019
GB/T 37640-2019
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
Determination of triclosan in air freshening preparations-High performance liquid chromatography
GB/T 37640-2019
Determination of potassium content for compound fertilizers—Potassium tetraphenylborate gravimetric method
GB/T 37640-2019
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.
GB/T 37640-2019
Ultraviolet absorber-2-Hydroxy-4-n-octoxybenzophenone(UV-531)
GB/T 37640-2019
Determination of potassium content for compound fertilizers potassium tetraphenylborate gravimetric method
GB/T 37640-2019