全部
≥98%
100 μg/mL in MeOH
1000μg/ml in Methano
1000μg/ml,in Purge and Trap Methanol
2.0 mg/mL in MeOH
98.0%(GC)
98%
99%
analytical standard
Assay: 97.0%
certified
Standard for GC, ≥99.5%(GC)
Standard for GC,>99.
United States Pharmacopeia (USP) Reference Standard
分析标准品, 用于环保分析, ≥99.5%(GC)