氮总 标准查询与下载

ASTM D3590-17 水中凯氏定氮总氮的标准试验方法

1.1 These test methods cover the determination of total Kjeldahl nitrogen. Section 24 on Quality Control pertains to these test methods. The following

Standard Test Methods for Total Kjeldahl Nitrogen in Water

GOST EN 15478-2013 肥料. 尿中氮总含量的测定

Fertilizers. Determination of total nitrogen in urea

GOST 26107-1984 土壤.含氮总量的测量方法

Soils. Methods for determination of total nitrogen

SNI 19-1501-1989 空气二氧化氮总量测试方法

Test methods for total nitrogen oxide in air

JIS K 0102-2:2022 工业用水和工业废水检验方法 第2部分：无机阴离子、铵离子、有机氮、总氮、总磷

Testing methods for industrial water and industrial wastewater -- Part 2: Inorganic anions, ammonium ion, organic nitrogen, total nitrogen and total phosphorus

DB32/T 4541-2023 海水水质评价指南 总氮和总磷

Sea water quality evaluation guide for total nitrogen and total phosphorus

TS 974-1971 焦炭中氮、总氯化硫和磷的测定

DETERMINATION OF NITROGEN, TOTAL SULPHUR CHLORINE AND PHOSPHORUS ?N COKE

NF U42-151:1984 肥料.氮总含量的测定.蒸馏滴定法

Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.

DANSK DS/EN 13342:2001 污泥的表征 凯氏定氮总量的测定

Characterisation of sludges - Determination of total Kjeldahl nitrogen

DS 223:1991 水质．测定亚硝酸盐氮和硝酸盐氮总量

The standard describes a method for determination of the sum of nitrite- and nitratenitrogen

Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen

KS M ISO 5315:2007 肥料.氮总含量的测定.蒸馏后滴定法

이 규격은 침지되어야 할 것을 포함하는 모든 형태의 비료 중 총 질소 함량을 측정하기 위한

Fertilizers-Determination of total nitrogen content-Titrimetric method after distillation

KS M ISO 5315:2013 肥料 氮总含量的测定 蒸馏后滴定法

Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation

DIN ISO 11261:1997 土质.氮总含量测定.改良基尔达斯法

Determination of total nitrogen (NH₄-N, NO₂-N, NO₃-N and organic N). Nitrogen in N-N-linkage, NO-linkage and some

Soil quality - Determination of total nitrogen - Modified Kjeldahl method (ISO 11261:1995)