变性乙醇中的总芳烃, Total Aromatics in Denatured Ethanol

GB 38508-2020定制4种卤代烃混标, Custom VOC Standard @2000 μg/mL in PT Methanol

磺草酮,100μg/mL丙酮溶液, Sulcotrione,100 μg/mL in Acetonitrile

16种醛酮类-DNPH混标,以醛酮计：200ug/ml溶于乙腈(HJ 1154-2020), Custom Derivatized Carbonyl Mix 2 @ Varied Conc. In Acetonitrile

Firemaster? FF-1

2-Amino-4,6-dichloro-1,3,5-triazine

4,6-二氯-1,3,5-三嗪-2-胺

6种氘代邻苯二甲酸酯混标, Custom Deuterated Phthalate Standard @ 4000 μg/mL in n-Hexane

标准品, 2H,2H,3H,3H-Perfluorooctanoic Acid,2 μg/mL in Methanol

标准品, Perfluoro(2-ethoxyethane)sulphonic acid,100 μg/mL in Methanol

乙腈中25种农残混标(组11-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile