This standard specifies the method for the determination of nitrogen, phosphorus and potassium in fertilizers using auto analyzers. This standard applies to the determination of nitrogen, phosphorus and potassium in fertilizers. Flow analyzer method is not applicable to the fertilizer containing organic matters, AND the nitrogen content determination method is not applicable to the fertilizer containing nitrogen of more than 40%.
Basic Data
Standard ID
GB/T 22923-2008 (GB/T22923-2008)
Description (Translated English)
Determination of nitrogen, phosphorus and potassium for fertilizers by auto analyzer
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
G20
Classification of International Standard
65.080
Word Count Estimation
10,113
Date of Issue
2008-12-31
Date of Implementation
2009-08-01
Quoted Standard
HG/T 2843
Issuing agency(ies)
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary
This standard specifies the determination of nitrogen fertilizer use automated analyzers, phosphorus, potassium content approach. This standard applies to fertilizer nitrogen, phosphorus, determination of potassium content. Flow Analyzer Act does not apply with organic fertilizer nitrogen content determination does not apply to greater than 40% of the nitrogen fertilizer.
