标准品, cis-Permethrin,100 μg/mL in Acetonitrile

标准品, 2H,2H,3H,3H-Perfluorodecanoic acid,2 μg/mL in Methanol

标准品, Nonafluoro-3,6-dioxaheptanoic acid,2 μg/mL in Methanol

乙腈中20种农残混标(组13-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile

乙腈中29种农残混标(组5-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile

定制的VOC储备混合物@ PT甲醇中的30 mg / mL, Custom VOC Stock Mix @ 30 mg/mL in PT Methanol

17种有机锡混标,1000 μg/mL溶于甲醇(GB 20385.1-2021), Custom Organometallic Standard @ 1000 μg/mL in Methanol

定制丙烯醛和丙烯腈混标溶于甲醇(天津地标 DB 12/524-2020), Acrolein &Acrylonitrile @ 2000 μg/mL in 90% Methanol 10% water

标准品, Custom SV Standard @ 1000 μg/mL in Toluene-50% Hexane

7种定制混合类混标1,500 ug/mL溶于二氯甲烷(EPA625), Custom Combined Standard 1 @ 500 μg/mL in Dichloromethane