13组分VOC混标, Volatile Organic Compounds,2.0 mg/mL in MeOH

标准品, Method 502.2/524.2 Set

EPA方法502c, Unregulated VOC's,2.0 mg/mL in MeOH

500系列内标/替代挥发性标准品, Internal/Surrogate Std for 500 Series Volatile Methods,2.0 mg/mL in Methanol

61组分VOC混标, Volatile Organic Compounds-Liquids &Gases,0.2 mg/mL in MeOH

MDL检测浓缩样品, MDL Check Sample Concentrate,0.02 μg/mL in MeOH

1,2-二溴乙烷,1,2-二溴-3-氯丙烷, 1,2-Dibromoethane &1,2-Dibromo-3-chloropropane,2.0 mg/mL in MeOH

邻苯二甲酸酯7种套标1000PPM,异辛烷, Method 506-Phthalate Esters,1000 μg/mL in Isooctane

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

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

性能检测溶液, Performance Check Solution,Varied conc. in MtBE

分解溶液, Decomposition Solution,0.1 mg/mL in Ethyl acetate

4,4'-Dibromobiphenyl,0.1 mg/mL in Ethyl acetate

4,4'-二溴联苯

有机氯混标17组分, Method 508-Chlorinated Pesticides by GC/ECD,1000 μg/mL in MtBE

4-Methylimidazolidine-2-thione ,0.1 mg/mL in 0.1% w/v DTT in Ethyl acetate

丙烯硫脲