4羟基丁酸酯检测标准

Poly-3-hydroxybutyrate(PHB)

Poly(3-hydroxybutyrate-co-valerate)/polylactide (PHBV/PLA) blend filament yarn

Poly-3-hydroxy butyrate-co-valerate(PHBV)

Fragrance—Part 4: Ethyl 2-methylbutyrate

Determination of seven parabens in cosmetics—High performance liquid chromatography

Determination of 2,2-bis (4-hydroxyphenyl) propane (bisphenol A) residues in medical polycarbonate materials

Commission Implementing Regulation (EU) 2017/63 of 14 December 2016 concerning the authorisation of benzyl alcohol, 4-isopropylbenzyl alcohol, benzaldehyde, 4-isopropylbenzaldehyde, salicylaldehyde, p-tolualdehyde, 2-methoxybenzaldehyde, benzoic acid, benzyl acetate, benzyl butyrate, benzyl formate, benzyl propionate, benzyl hexanoate, benzyl isobutyrate, benzyl isovalerate, hexyl salicylate, benzyl phenylacetate, methyl benzoate, ethyl benzoate

Cosmetic raw materials. Sunscreens. Benzoic acid, 2-[4-(diethylamino)-2-hydroxybenzoyl]-hexylester.

Commission Implementing Regulation (EU) 2017/56 of 14 December 2016 concerning the authorisation of lactic acid, 4-oxovaleric acid, succinic acid, fumaric acid, ethyl acetoacetate, ethyl lactate, butyl lactate, ethyl 4-oxovalerate, diethyl succinate, diethyl malonate, butyl-O-butyryllactate, hex-3-enyl lactate, hexyl lactate, butyro-1,4-lactone, decano-1,5-lactone, undecano-1,5-lactone, pentano-1,4-lactone, nonano-1,5-lactone, octano-1,5-lactone

Cosmetic raw materials. Sunscreens. Benzoic acid, 2-{4-(diethylamino)-2-hidroxybenzoyl}-hexylester. Determination of the purity by gas chromatography.

Commission Implementing Regulation (EU) 2018/242 of 15 February 2018 concerning the authorisation of hex-3(cis)-en-1-ol, non-6-en-1-ol, oct-3-en-1-ol, non-6(cis)-enal, hex-3(cis)-enal, hept-4-enal, hex-3(cis)-enyl acetate, hex-3(cis)-enyl formate, hex-3-enyl butyrate, hex-3-enyl hexanoate, hex-3(cis)-enyl isobutyrate, citronellol, (-)-3,7-dimethyl-6-octen-1-ol, citronellal, 2,6-dimethylhept-5-enal, citronellic acid, citronellyl acetate, citronell