코발트염

우량품

일등품.

초산코발트［Co(CH₃COO)₂·4H₂O］ω/%        ≥

99.3

98.0

물이안녹을물건함량ω/%                           ≤

0.02

황산염(以SO₄^2-计)ω/%                        ≤

0.01

염소화합물（以Cl^-计）ω/%                       ≤

0.002

0.005

질산염(以NO₃^-计)ω/%                        ≤

0.05

0.08

(Fe)ω/%                                   ≤

0.001

(Cu)ω/%                                  ≤

0.001

0.005

(Ni)ω/%                                   ≤

0.08

0.10

알칼리금속및알칼리토류금속함유량ω/%   ≤

0.30

0.40