GB/T 23671-2023
2-Hydroxy-6-naphthoic acid
GB/T 23671-2023
GB/T 23671-2023
GB/T 23671-2023
2-Hydroxy-6-naphthalene carboxylic acid
GB/T 23671-2023
GB/T 23671-2023
2-Hydroxy-3-naphthoic acid
GB/T 23671-2023
GB/T 23671-2023
GB/T 23671-2023
Determination of seven parabens in cosmetics—High performance liquid chromatography
GB/T 23671-2023
GB/T 23671-2023
Chemical reagent Arsenazo Ⅲ
GB/T 23671-2023
COSMETIC RAW MATERIALS. DETERMINATION OF 2-HYDROXYBENZOICO ACID (SALICYLIC ACID) IN p-HIDROXYBENZOATES.
GB/T 23671-2023
Dye, Red, 2,5,2',5'-Tetramethyltriphenylmethane-4,4'-Diazo-Bis-Betahydroxynaphthoic Anilide
GB/T 23671-2023
Cosmetic raw materials. Sunscreens. Benzoic acid, 2-[4-(diethylamino)-2-hydroxybenzoyl]-hexylester.
GB/T 23671-2023
GB/T 23671-2023
Cosmetic raw materials. Sunscreens. Benzoic acid, 2-{4-(diethylamino)-2-hidroxybenzoyl}-hexylester. Determination of the purity by gas chromatography.
GB/T 23671-2023
GB/T 23671-2023
Salicylic acid (2-oxybenzoic) for industrial use. Specifications
GB/T 23671-2023
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
GB/T 23671-2023