全部
>95% (GC)
≥99.0% (GC)
≥99%, containing ~ 0.25% SiO2
≥99%(GC)
100 μg/mL in MeOH
1000 μg/mL
1000 μg/mL in MeOH
1000μg/mL
1000μg/ml in Methano
1000μg/ml,in Purge and Trap Methanol
2.0 mg/mL in Hexane
98%
99.0%(GC)
99%
Assay: 99.9%
neat
Standard for GC, ≥99
Standard for GC, ≥99.5%(GC)
化学纯(CP)
试剂级
试剂级, 98%