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NY/T 2017-2011Determination of nitrogen, phosphorus and potassium in plants (English PDF)

植物中氮、磷、钾的测定

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Issued by

Ministry of Agriculture of the People's Republic of China

Level / Type

National · Recommended

Issue date

September 1, 2011

Implementation date

December 1, 2011

Scope

NY/T 2017-2011 is the English-translated version of 植物中氮、磷、钾的测定.

NY/T 2017-2011 — This standard specifies the plant samples using sulfuric acid hydrogen peroxide digestion, automatic determination of nitrogen analyzer measurements of nitrogen, phosphorus spectrophotometry, flame atomic absorption spectrophotometry potassium detection method.

This standard applies to plant samples in nitrogen, phosphorus and potassium determination. This standard method of linear range. P: Mo-Sb photometric method was 0.

001 mg/L ~ 1. 0 mg/L, vanadium and platinum yellow photometric method was 0. 01mg/L ~ 10. 0mg/L, potassium 0. 01mg/L ~ 1. 0mg/L. This standard detection limit. Nitrogen 0.

01g/100g, Phosphorus: Mo-Sb photometric method for the 0. 0005g/100g, vanadium and molybdenum yellow photometric method for the 0. 002g/100g, potassium 0.

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Document preview — NY/T 2017-2011

National Standard of the People's Republic of China

ICS: 65.020
Classification: B 04

Issued by: Ministry of Agriculture of the People's Republic of China

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the plant samples using sulfuric acid hydrogen peroxide digestion, automatic determination of nitrogen analyzer measurements of nitrogen, phosphorus spectrophotometry, flame atomic absorption spectrophotometry potassium detection method. This standard applies to plant samples in nitrogen, phosphorus and potassium determination. This standard method of linear range. P: Mo-Sb photometric method was 0. 001 mg/L ~ 1. 0 mg/L, vanadium and platinum yellow photometric method was 0. 01mg/L ~ 10. 0mg/L, potassium 0. 01mg/L ~ 1. 0mg/L. This standard detection limit. Nitrogen 0. 01g/100g, Phosphorus: Mo-Sb photometric method for the 0. 0005g/100g, vanadium and molybdenum yellow photometric method for the 0. 002g/100g, potassium 0. 002g/100g.

Document data

International classification (ICS): 65.020.

Chinese classification (CCS): B04.

Estimated length of the Chinese original: 9,970 words.

Standards quoted by this document

GB/T 601; GB/T 602; GB/T 6682

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

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