3,4-Dinitrotoluene,100 μg/mL in Acetonitrile

3,4-二硝基甲苯

多环芳烃2种混标, 2-Fluorobiphenyl &1-Fluoronaphthalene,2.0 mg/mL in Dichloromethane

Stirophos,1000 μg/mL in Hexane

四氯乙烯磷,杀虫畏

有机氯甲基类衍生物除草剂混标/10 组分, Methyl Derivatives of Chlorinated Herbicides,Varied conc. in Methanol

MCPA methyl ester,2.0 mg/mL in Hexane

2-甲-4-氯苯氧基乙酸甲酯

标准品, Herbicide Acids Matrix Spike,Varied conc. in MeOH

有机氯除草剂混标方法615/10 组分, Underivatized Chlorinated Herbicides,Varied conc. in MeOH

EPA方法8150A-8种混标, Method 8150 Mix-Methyl Der.,20.0 μg/mL in Hexane

9种内标及替代物混标,0.2mg/mL, Internal/Surrogate Standard VOA Mix,0.2 mg/mL in MeOH

方法8240 挥发性有机物GC/MS标准品, Method 8240-GC/MS for Volatile Org.,0.2 mg/mL in MeOH