NY/T 2017-2011 PDF English
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Basic data
| Standard ID | NY/T 2017-2011 (NY/T2017-2011) |
| Description (Translated English) | Determination of nitrogen, phosphorus and potassium in plants |
| Sector / Industry | Agriculture Industry Standard (Recommended) |
| Classification of Chinese Standard | B04 |
| Classification of International Standard | 65.020 |
| Word Count Estimation | 9,970 |
| Date of Issue | 2011-09-01 |
| Date of Implementation | 2011-12-01 |
| Quoted Standard | GB/T 601; GB/T 602; GB/T 6682 |
| Regulation (derived from) | Ministry of Agriculture Bulletin No. 1642 |
| Issuing agency(ies) | Ministry of Agriculture of the People's Republic of China |
| Summary | 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. |