甲基衍生物, Independent Check Standard Methyl Derivatives,Varied conc. in MtBE

非衍生的氯化酸, Underivatized Chlorinated Acids,Varied conc. in MeOH

8组分除草剂中甲基衍生物混标, Regulated Herbicide Methyl Derivatives Mix,Varied conc. in MtBE

2,4-Dichlorophenylacetic methyl ester,0.1 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)

524方法VOC代用标准(4-溴氟苯;1,2-二氯苯-D4), 4-Bromofluorobenzene &1,2-Dichlorobenzene-d4 ,2.0 mg/mL in MeOH

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

DFTPP,0.1 mg/mL in Dichloromethane

十氟三苯基磷

527方法 混标 五组分, Method 527 PBDE Standard,Isooctane:Ethyl acetate 80:20

12组分有机酚混标, Stock Calibration Standard,2000 μg/mL in Methylene chloride