全部
≥99.0%, ACS reagent
0.2 mg/mL in Methanol
100 μg/mL in MeOH
1000 μg/mL
1000 μg/mL in MeOH
2.0 mg/mL in MeOH
99.0% min
99.5%
99.5%(GC)
99.5+%
99.7%
99.8%
99.9%
anhydrous, 99.8%
certified reference material, TraceCERT?, 200 μg/mL in methanol
neat
puriss. p.a., reag. Ph. Eur., ≥99.7%