方法504套标, Method 504.1 Set

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

Triphenylphosphate ,0.5 mg/mL in MtBE

磷酸三苯酯

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

508方法绿色杀虫剂混标B 13comps, Method 508-Chlorinated Pesticides by GC/ECD,1000 μg/mL in MtBE

3组分性能检测溶液, Method 509-Performance Check Solution,Varied conc. in 0.1% w/v DTT in Ethyl acetate

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

4,4'-Dibromooctafluorobiphenyl ,0.1 mg/mL in MtBE

4,4-二溴八氟联苯

2,4-Dichlorophenylacetic methyl ester ,5.0 mg/mL in MtBE

2,4-二氯甲基酯

EPA Method 521 Surrogate Standard Stock Solution,1000 μg/mL in Methylene chloride

EPA521储备液(N-亚硝基二甲胺-D6)检测标准品(1000 μg/mL 溶剂为二氯甲烷)