LY/T 1228-2015
Active
GB/T 32737-2016
Active
National standards
GB/T 32737-2016 Determination of nitrate nitrogen in soil—Ultraviolet spectrophotometry method
GB/T 32737-2016 Determination of nitrate nitrogen in soil—Ultraviolet spectrophotometry method
Basic Information
Standard Code:
GB/T 32737-2016
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nSoil and fertilizer
ICS Name:
The chemical properties of soil
Publish Date:
2016-08-29
Implement Date:
2017-03-01
Pages:
10 pages
Scope
This standard specifies the principles, reagents, instruments, analytical procedures, result calculation and presentation, precision, quality assurance, and control for determining nitrate nitrogen in soil leachate using ultraviolet spectrophotometry. This standard is applicable to the determination of nitrate nitrogen in soil. The detection limit of nitrate nitrogen in soil determined by this method is 0.5 mg/kg, and the quantitative limit is 1 mg/kg.
Development Information
Referenced Standards
NY/T 52
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
HJ 634-2012 Soil ammonia nitrogen, nitrite nitrogen, and nitrate nitrogen determination: Extraction with potassium chloride solution-spectrophotometry
NY/T 1377-2007 The determination of pH in soil
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