全部
>95%
>95% (HPLC)
>99.0%(GC)
≥99%(GC)
100(μg/mL)
1000 μg/mL in MeOH
1000(μg/mL)
10000(μg/mL)
100000(μg/mL)
1000μg/ml,溶剂:二硫化碳
1000μg/ml,溶剂:甲醇
1mg/ml in Methanol,f
1mg/ml in Methanol,for Water Analysis
2.0 mg/mL in MeOH
200 μg/mL in PT Methanol
2000ug/ml in Purge a
2000ug/ml in Purge and Trap Methanol
99
99.0%(GC)
99.5%
99.5%(GC)(标准试剂)
99%
99%, Water≤50 ppm (
99%, with molecular
99%( Water≤50 ppm)
99%(GC)
99%(分子筛、 Water≤50 ppm)
analytical standard,1000ug/ml in carbon disulfide
AR, ≥98%
AR,98%
puriss. p.a., ≥99.0% (GC)
Standard for GC, ≥99.5%(GC)
Standard for GC,≥99.
分析标准品, 1000ug/ml in methanol
无水级, ≥99%
色谱级
试剂级, 98%