GB/T 13840-1992
Abolished
GB/T 12687.3-2010
Abolished
National standards
GB/T 12687.3-2010 Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 3:Determination of the water insoluble matter content—Gravimetry
GB/T 12687.3-2010 Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 3:Determination of the water insoluble matter content—Gravimetry
Basic Information
Standard Code:
GB/T 12687.3-2010
Standard Type:
National standards
Standard Status:
Abolished
is_force_gb:
no
CCS Name:
Analysis methods for rare metals and their alloys
ICS Name:
Other non-ferrous metals and their alloys
Publish Date:
2011-01-14
Implement Date:
2011-11-01
Pages:
4 pages
Scope
This part of GB/T 12687 specifies the method for determining the amount of water-insoluble substances in rare earth nitrate plant growth regulators.
This part is applicable to the determination of the amount of water-insoluble substances in rare earth nitrate plant growth regulators. The measurement range is 0.10% to 0.30%.
Development Information
Same series standard
GB/T 12687.1-2010 Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 1:Determination of arsenic,mercury,lead,cadmium and chromium contents—Inductively coupled plasma mass spectrometry method
GB/T 12687.2-2010 Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 2:Determination of chlorine content
Replace the following standards
Related Standards
GB/T 15677-1995
Replaced
GB/T 15677-1995 Lanthanum metal
GB/T 3136-1995
abolished_transferred
GB/T 3136-1995 Tantalum powders
GB/T 3463-1995
Abolished
GB/T 3463-1995 Tantalum wires
GB/T 3628-1995
Replaced
GB/T 3628-1995 Tantalum and tantalum alloy foils
GB/T 16476-1996
Replaced