| 分子式 |
活性炭管中乙苯测定
编号:AK-QC110-1/AK-QC110-2 CAS号:100-41-4 规格:活性炭管一套2支
活性炭管中丙酮测定
编号:AK-QC109-1/AK-QC109-2 CAS号:67-64-1 规格:2支/套 浓度:275.9/767.5
水中2-氯乙醇套标(一套六支)
编号:定制标液 规格:5mL 浓度:0,0.02,0.04,0.06,0.08,0.1mg/ml
硅胶管中甲醇
编号:GDOHZKTG030-1/GDOHZKTG030-2 CAS号:67-56-1 规格:2支一套
活性炭管中苯乙烯质量控制样品
编号:AK-QC120-1/AK-QC120-2 CAS号:100-42-5 规格:套
活性炭管中1,2-二氯乙烷
编号:GDOHZKTG017-1/GDOHZKTG017-2 规格:两个浓度水平 浓度:每个浓度水平各一只