GB/T 13840-1992
Abolished
GB/T 12687.2-2010
Abolished
National standards
GB/T 12687.2-2010 Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 2:Determination of chlorine content
GB/T 12687.2-2010 Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 2:Determination of chlorine content
Basic Information
Standard Code:
GB/T 12687.2-2010
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:
7 pages
Scope
This part of GB/T 12687 specifies the method for determining the chlorine content in rare earth nitrate plant growth regulators.
This part is applicable to the determination of chlorine content in rare earth nitrate plant growth regulators. Method 1: Determination range: 0.005% to 0.50%; Method 2: Determination range: >0.50% to 10.00%.
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 12687.3-2010 Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 3:Determination of the water insoluble matter content—Gravimetry
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