全部
≥98%
≥99.95% metals basis
0.05
0.05mol/L
0.1
1.00 g/L, for 1L standard solution
1%水溶液
10.00?g/L, for 1L standard solution
10% in H20,符合药典:通则80
1000μg/mL in H2O
100g/L
100μg/mL in H2O
5%水溶液
50g/L
99
99.0% min
99.5%
99.5% metals basis
99.9%
99.9% metals basis
99.9%(高纯试剂)
99%
ACS
AR, ≥99.5%
AR,99.5%
purum p.a., ≥99.0% (RT)
w(K2CrO4)=20g/L
w(K2CrO4)=40g/L
优级试剂, 99.5%