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

N -甲基甲酰肟和N -甲基氨基甲酸酯混合标准品, N-Methyl carbamoyl oximes &N-Methyl carbamates,0.1 mg/mL in Acetonitrile

苯基脲基准稀释标准品, Phenylurea Primary Dilution Standard,Varied conc. in Methanol

EPA 535套标, 14 Component Method 535-SET (Including IS and SS)