标准品, Electronic Cigarettes Nicotine Degradation Standard,500 μg/g in Propylene glycol:Glycerol (50:50)

萃取溶剂储备液(正癸烷20μl/L和正四十烷20mg/L)(HJ 1021-2019), Extraction Solvent Stock Solution,Varied conc. in Hexane

EPH芳香烃/PAH用标准品 可萃取的石油烃的测定(EPH), EPH Aromatic/PAH Standard,1000 μg/mL in Methylene chloride

Dibenzofuran

二苯并呋喃/氧芴

2-Methylimidazole

2-甲基咪唑

Ethyl palmitate,10 mg/mL in Hexane

十六酸乙酯/棕榈酸乙酯

Ethyl behenate

山嵛酸乙酯

Ethyl Heptadecanoate

十七烷酸乙酯

脂肪酸甲酯混标2, Fatty Acid Methyl Ester Qualitative Mix 2,Equal Conc. by %w/w

4'-Fluoro-2,3',4-tribromodiphenyl ether,50 μg/mL in Isooctane

4'-氟-2,3',4-三溴联苯醚