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全部 分析标准品 standard for gc, ≥99.5%(gc) 100 ug/ml in isooctane 分析标准品, 1000ug/ml in methanol 2000ug/ml in purge and trap methanol 分析标准品, ≥99.5%(gc) 1000ug/ml in purge and trap methanol 98% 99% standard for gc,≥99.5%(gc) 分析标准品, ≥99.8%(gc) 1000μg/ml,in purge and trap methanol 100μg/ml in n-hexane 分析标准品, 100ug/ml in methanol hplc≥99% 分析标准品, 1.00mg/ml in methanol 分析标准品, 1000ug/ml in carbon disulfide 分析标准品, 用于环保分析 gc≥98% hplc≥98% standard for gc, ≥99.9%(gc) standard for gc,≥99.9%(gc) 分析标准品, 100ug/ml in petroleum ether gc≥99% standard for gc, ≥99%(gc) standard for gc, ≥99.5% 分析标准品, 10ug/ml in petroleum ether 分析标准品, ≥99.9%(gc) 分析标准品, 用于环保分析, ≥99.5%(gc) 1000mg/l于异辛烷 1000μg/ml in dichloromethane 1000μg/ml in methanol/dichloromethane(7:3) 1000μg/ml in methanol 1000μg/ml in n-hexane 1000μg/ml,溶剂:甲醇 100mg/l于甲苯:己烷 1:1 100ug/ml in isooctane 100μg/ml in methanol 100μg/ml in methylbenzene 10ug/ml,u=5%,in benzene 1200μg/ml in carbon disulfide 2000mg/l,溶剂:二氯甲烷 2000μg/ml in methanol 200μg/ml in methanol 2500μg/ml in methanol 35 ug/ml in isooctane 35 μg/ml 异辛烷溶液 4000μg/ml in purge and trap methanol 50.0ug/ml in toluene:methanol(volume ratio 1:4) standard for gc, 40% in water standard for gc, ≥99.5%(gc), 含10-15ppm tbc稳定剂 standard for gc, ≥99.6%(gc) standard for gc, ≥99.7%(gc) standard for gc, ≥99.8%(gc) standard for gc,≥99%(gc) standard for gc,≥99.7%(gc) standard for gc,≥99.8%(gc) standard for gc ultrabio™, 超纯级, ≥99.5%(gc) ≥98 atom% d ≥99.7% ≥99.94 atom% d 分析标准品, 0.317mg/l in water 分析标准品, 0.43mg/l in water 分析标准品, 0.816-1.96mg/l in water(稀释后) 分析标准品, 0.94mg/ml in methanol 分析标准品, 0.989 mg/ml in methanol 分析标准品, 1.02mg/ml in methanol 分析标准品, 1.41mg/l in water 分析标准品, 10 μg/ml in isooctane 分析标准品, 1000μg/ml in methanol 分析标准品, 1000μg/ml,溶剂:甲醇 分析标准品, 100mg/l in 1%hcl 分析标准品, 100mg/l in isooctane 分析标准品, 100mg/l,in 5% ethanol 分析标准品, 100ug/ml in hexane 分析标准品, 100ug/ml,u=3% in benzene 分析标准品, 10mg/ml in water 分析标准品, 10ug/ml in hexane 分析标准品, 10ug/ml in methanol 分析标准品, 10μg/ml in petroleum ether 分析标准品, 1mg/ml in methanol 分析标准品, 2000ug/ml in carbon disulfide, 分析标准品, 48.9μg/ml, in isooctane 分析标准品, 50.0ug/ml in toluene:methanol(volume ratio 1:4) 分析标准品, 50ug/ml in 2,2,4-trimethylpentane 分析标准品, 50ug/ml in methanol:toluene(4:1) 分析标准品, 50ug/ml in toluene:methanol(volume ratio 1:4) 分析标准品, 50μg/ml in isooctane 分析标准品, 58.8μg/ml in isooctane 分析标准品, in methanol, 分析标准品, ≥99%(gc) 分析标准品, ≥99% 分析标准品, ≥99.7%(hplc) 分析标准品, ≥99.8% 分析标准品, 用于环保分析, ≥99.5% 分析标准品, 用于环保分析, ≥99.6%(gc) 分析标准品,99.5% 分析标准品,99.9% 分析标准品,≥99.8%(gc) 浓度:1000μg/ml,基体:甲醇 质量浓度 1000mg/l,u=16 mg/l