8种乙二醇醚及醚酯混标,2000 μg/mL溶于甲醇(GB 18581-2020、GB 18582-2020、GB 24409-2020、GB 30981-2020), Custom VOC Standard@2000 μg/mL in PT Methanol

3-仲-戊基苯基 N-甲基氨基甲酸酯,100μg/mL 乙腈溶液, 3-sec-Amylphenyl N-Methylcarbamate,100 μg/mL in Acetonitrile

倾点, 近似值 -15°C, Pour Point, Approx. Value -15 ℃

ASTM D3606-17复合标准,不同浓度, 按v/v%, ASTM D3606-17 Composite Standard,Varied conc. by v/v%

碱性/中性萃取混合物1, 0.5 mg/mL 二氯甲烷溶液, Base/Neutral Extractables Mix 1,0.5 mg/mL in Dichloromethane

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