505方法有机氯杀虫剂混标 16comps, Method 505-Organohalide Pesticides,Varied conc. in MeOH

D混标, Method 507-Mix D,1000 μg/mL in MtBE

507方法 混标E, Method 507-Mix E,1000 μg/mL in MtBE

方法508.1——17组分农药混标, Method 508.1 (SDWA) Regulated Pesticide Mix,100 μg/mL in MtBE

亚老哥尔-1260, Aroclor 1260 Stock solution,5.0 mg/mL in MeOH

15种有机氯混标, Method 508-Chlorinated Pesticides by GC/ECD,1000 μg/mL in MtBE

Dithiothreitol in Ethyl acetate,1000 μg/mL in Ethyl acetate

二硫代苏糖醇

6组分非衍生分析物, Underivatized Analytes,Varied conc. in Methanol

实验室甲基衍生物性能检测溶液, Laboratory Performance Check Methyl Derivatives,Varied conc. in MtBE

2,4-Dichlorophenylacetic methyl ester ,0.1 mg/mL in MtBE

2,4-二氯甲基酯

524方法VOC内标(4-溴氟苯;1,2-二氯苯-D4;氟苯), Fortification Solution,2.0 mg/mL in MeOH

524.2方法增补24组分挥发性有机物, Additions to Method 524.2,2.0 mg/mL in MeOH

18组分EPA 混标, EPA Method 524.3,2.0 mg/mL in Methanol

饮用水中的有机物, Organic Compounds in Drinking Water

2种内标, Internal Standard,Varied conc. in Methylene chloride