全部
0.2 mg/mL in Methanol
0.5 mg/mL in Acetonitrile
100 μg/mL in Methanol
1000 μg/mL in Methanol
1000μg/mL
200μg/mL
90+%
95%+
97.0%(GC)
97%
98.5%
98%
99.5%(GC)
99%
analytical standard
certified reference material, 200 μg/mL in methanol
neat
sublimed grade, ≥99%