total nitrogen
total nitrogen, Total:15 items.
The international standard classification for "total nitrogen" includes: .
The Chinese standard classification for "total nitrogen" includes: Soil and fertilizer in general , Analysis methods for environmental quality of soils , Sampling methods for solid waste, soil and other environmental elements .
Professional Standard - Agriculture
- NY/T 297-1995 Determination of Total Nitrogen in Organic Fertilizers
- ZB X 66026-1987 Total Nitrogen and Crude Protein Determination
- NY/T 2419-2013 Determination of total nitrogen in plant - Automatic kjeldahl apparatus method
- NY/T 1121.24-2012 Soil Testing - Part 24: Determination of Total Nitrogen in Soil - Automatic Kjeldahl Apparatus Method
- NY/T 53-1987 Method for the determination of soil total nitrogen(Semi-micro Kjeldahl method)
Liaoning Provincial Standard of the People's Republic of China
- DB21/T 616-1991 Plant total nitrogen determination method
Professional Standard - Environmental Protection
- HJ 717-2014 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
Professional Standard - Urban Construction
- CJ/T 103-1999 Municipal domestic refuse―Determination of total nitrogen―Semi-micro Kjeldahl method
Professional Standard - Forestry
- LY/T 1228-1999 Determination of total nitrogen in forest soil
工业和信息化部
- YB/T 4582.7-2017 Ferrosilicon nitride-Determination of total nitrogen content-Neutralization titration method
Japanese Industrial Standards Committee (JISC)
- JIS K 0808:2008 Automatic total nitrogen analyzer
Association Francaise de Normalisation
- NF ISO 11261:1995 Soil quality - Total nitrogen dosage - Modified Kjeldahl method
GSO
- OS GSO ISO 11261:2015 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
- GSO ISO 11261:2015 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
- BH GSO ISO 11261:2017 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
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