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

4,4'-二溴联苯

有机氯混标4组分, Performance Check Solution,Varied conc. in MtBE

7组分非衍生分析物, Underivatized Analytes,Varied conc. in MeOH

EPA154.4除草剂甲酯混合标准品, Quality Control Sample 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

EPA方法524.3, EPA Method 524.3 Surrogate Standard,2.0 mg/mL in Methanol

EPA 525方法25种, Regulated Semi-Volatiles Mixture,100 μg/mL in Ethyl acetate

12种分析物溶液, Analyte Fortification Solution,Varied conc. in Methanol

EPA Method 529 Surrogate Standard Stock Solution,1000 μg/mL in Methanol

EPA方法529替代标准储备溶液