全部
>95% (GC)
≥98%
≥99.5%(GC)(标准试剂)
10 ng/μl
100 μg/mL in Methanol
2.0 mg/mL in MeOH
200 μg/mL in PT Methanol
2000ug/ml in Purge and Trap Methanol
5.0 mg/mL in MeOH
95.0%
95.0%(GC)
97%
98%
99%
analytical standard
Assay: 98.5%
certified
certified reference material, TraceCERT
Standard for GC, ≥99.5%(GC)
Standard for GC,≥99.
分析标准品, ≥99.5%(GC)