GB/T 20252-2006
Replaced
YS/T 1157.4-2016
Active
Industry standards-Non-ferrous metals
YS/T 1157.4-2016 Methods for chemical analysis of Crude Cobalt hydroxide—Part 4:Determination of manganese content—Potentiometric titration method
YS/T 1157.4-2016 Methods for chemical analysis of Crude Cobalt hydroxide—Part 4:Determination of manganese content—Potentiometric titration method
Basic Information
Standard Code:
YS/T 1157.4-2016
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:
5 pages
Scope
This part of YS/T 1157 specifies the method for determining the manganese content in crude cobalt hydroxide.
This part is applicable to the determination of manganese content in crude cobalt hydroxide, with a measurement range of 250% to 1200%.
Development Information
Same series standard
YS/T 1157.1-2016 Methods for chemical analysis of crude cobalt hydroxide—Part 1:Determination of cobalt content—Potentiometric titration method
YS/T 1157.2-2016 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