GB/T 20252-2006
Replaced
YS/T 1157.1-2016
Active
Industry standards-Non-ferrous metals
YS/T 1157.1-2016 Methods for chemical analysis of crude cobalt hydroxide—Part 1:Determination of cobalt content—Potentiometric titration method
YS/T 1157.1-2016 Methods for chemical analysis of crude cobalt hydroxide—Part 1:Determination of cobalt content—Potentiometric titration method
Basic Information
Standard Code:
YS/T 1157.1-2016
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for heavy metals and their alloys
ICS Name:
Cadmium and cobalt products
Publish Date:
2016-07-11
Implement Date:
2017-01-01
Pages:
8 pages
Scope
This part of YS/T 1157 specifies the method for determining the amount of cobalt in crude cobalt hydroxide.
This part is applicable to the determination of the amount of cobalt in crude cobalt hydroxide. The measurement range is 2000% to 5500%.
Development Information
Same series standard
YS/T 1157.2-2016 Methods for chemical analysis of crude cobalt hydroxide—Part 2:Determination of nickel,copper,iron,manganese,zinc,lead,arsenic and cadmium contents—Inductively coupled plasma atomic emission spectrometry
YS/T 1157.3-2016 Methods for chemical analysis of crude cobalt hydroxide—Part 3:Determination of calcium and magnesium contents—Flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry
YS/T 1157.4-2016 Methods for chemical analysis of Crude Cobalt hydroxide—Part 4:Determination of manganese content—Potentiometric titration method