|
material
|
index
|
|
1
|
2
|
|
钴(Co)ω/% ≥
|
24.5
|
24
|
|
镍(Ni)ω/% ≤
|
0.001
|
0.005
|
|
铜(Cu)ω/% ≤
|
0.001
|
0.005
|
|
铁(Fe)ω/% ≤
|
0.001
|
0.005
|
|
锌(Zn)ω/% ≤
|
0.001
|
0.005
|
|
钙(Ca)ω/% ≤
|
0.005
|
0.050
|
|
镁(Mg)ω/% ≤
|
0.005
|
0.050
|
|
铅(Pb)ω/% ≤
|
0.001
|
0.005
|
|
锰(Mn)ω/% ≤
|
0.001
|
0.005
|
|
镉(Cd)ω/% ≤
|
0.001
|
0.005
|
|
铬(Cr)ω/% ≤
|
0.001
|
0.002
|
|
汞(Hg)ω/% ≤
|
0.0005
|
0.001
|
|
Water insoluble matterω/% ≤
|
0.005
|
0.010
|
Traits: purple red crystal, slightly deliquescent in the air, soluble in water, ethanol, propanol, slightly soluble in ether. The aqueous solution is purple, turns blue after heating, and returns to purple after cooling. Water loss at 110-120 ° C, melting point: 80 ° C.
Uses: Used as ammonia gas absorbent, anti-virus mask, electroplating, manufacturing drier and other cobalt salts, can indicate the degree of moisture absorption of the glue, and make barometer, hydrometer and hidden ink.
Packing: 25kg / barrel
Company website:www.dlrycl.com