氯酸中甲基衍生物, Methyl Deriv. of Chlorinated Acids,1000 μg/mL in MtBE

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

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

EPA525方法内标标准(4组分)(苊-D10/屈-D12/苝-D12/菲-D10)(HJ 867-2017/HJ 1023-2019内标), Method 525-Internal Standard,2.0 mg/mL in CH2Cl2

2种内标, Internal Standard,Varied conc. in Methylene chloride

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

标准品, EPA Method 530 Standard,1000 μg/mL in Methanol

方法531- 性能检测溶液, Method 531-Performance Check Solution,Varied conc. in Acetonitrile

标准品, EPA Method 541 Surrogate Standard,1000 μg/mL in Methanol

4,4'-二氟联苯, 4,4'-Difluorobiphenyl ,0.1 mg/mL in Acetonitrile