标准品, Herbicide Laboratory Performance Check,Varied conc. in Isooctane

标准品, Phenoxy-Herbicide Mix-Level 2,Varied conc. in Isooctane

标准品, Phenoxy-Herbicide High Level Daily QC,Varied conc. in Isooctane

2,4-DB Acid,0.2 mg/mL in MeOH

2,4-二氯苯氧丁酸

EPA方法8150A套标, Chlorinated Herbicides as Methyl Derivatives

EPA 8240&8260 内标/替代物混标,2mg/mL, Internal/Surrogate Standard VOA Mix ,2.0 mg/mL in MeOH

挥发物12种混标, Appendix IX Volatiles Mix,Varied conc. in MeOH

挥发物混标, Appendix IX Volatiles Mix,Varied conc. in MeOH

内标混合物@ 0.2 mg / mL的甲醇溶液, Internal Standard Mix,0.2 mg/mL in MeOH

8260 方法挥发性有机物混合标准品(8种), Method 8260 Additions,0.2 mg/mL in MeOH