12种醛酮类混标,2000 μg/mL溶于乙腈(HJ 1153-2020), Custom Carbonyl Mix 1 @2000 μg/mL in Acetonitrile

ASTM D3606-17复合标准,不同浓度, 按v/v%, ASTM D3606-17 Composite Standard,Varied conc. by v/v%

可净化物质-EPA方法624.1, 0.2 mg/mL 甲醇溶液, Purgeables-EPA Method 624.1,0.2 mg/mL in Methanol

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

4,6-二氯-1,3,5-三嗪-2-胺

标准品, Milbemectin A3 &A4,10 μg/mL in Acetonitrile

2,3,7,8-Tetrabromodibenzo-p-dioxin

标准品

标准品, Perfluoro-3-methoxypropanoic acid,2 μg/mL in Methanol

标准品, 2,2,3,3,3-Pentafluoropropionic acid,100 μg/mL in Methanol

氨磺乐灵, Oryzalin,100 μg/mL in Acetonitrile

乙腈中25种农残混标(组12-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile