4-Chloro-o-toluidine,100 μg/mL in AcCN

4-氯-2-甲基苯胺

4,4'-Oxydianiline,100 μg/mL in AcCN

对氨基二苯醚/4,4'-二氨基二苯醚

2,4,5-Trimethylaniline ,10 μg/mL in Ethyl acetate

2,4,5-三甲基苯胺

3-Chloro-o-toluidine,1000 μg/mL in AcCN

3-氯-2-甲基苯胺

ASTM D5599 精炼汽油空白标准品, RFA Gasoline,Blank

残差复合材料混合, Residuals Composite Mix,5.0 mg/mL in Dichloromethane

8种有机氯农药混标 (a-BHC/b-BHC/g-BHC/d-BHC/o,p'-DDT/p,p'-DDT/p,p'-DDE/p,p'-DDD),100 μg/mL 溶于甲醇, Custom Pesticide Standard

25种挥发性有机物VOC混标,梯度浓度溶于甲醇(GB 3838-2002 ), Custom Mixed VOC Standard@ Varied conc. In Methanol

6种邻苯二甲酸酯混标,梯度浓度溶于二氯甲烷(GB 18581-2020/GB 22048-2008), Custom Phthalate Standard Varied conc Dichloromethane

标准品, Custom PCB Standard @ 100μg/ml in Hexane