现行

ISO 19822-2018

Fertilizers and soil conditioners — Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials
使用碱性提取法 疏水性吸附树脂测定商业固体和液体腐殖质中的腐殖酸和重铬酸盐测定

2018-08-10

现行

GB/T 45891-2025

肥料和土壤调理剂 肥料原料中腐植酸和疏水性黄腐酸含量的测定
Fertilizers and soil conditioners—Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials

2025-06-30

现行

ISO 19822-2018/Amd 1-2026

Fertilizers and soil conditioners — Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials — Amendment 1: DAX-8 resin alternative
肥料和土壤改良剂 肥料材料中腐殖酸和疏水性黄腐酸浓度的测定 修改1:DAX-8树脂替代品

2026-08-28

现行

BS ISO 20620-2021

Fertilizers and soil conditioners. Determination of total nitrogen by combustion
肥料和土壤调理剂 燃烧法测定总氮

2021-10-29

现行

ISO 20620-2021

Fertilizers and soil conditioners — Determination of total nitrogen by combustion
肥料和土壤改良剂.燃烧法测定总氮

2021-09-30

现行

BS ISO 20702-2017

Fertilizers and soil conditioners. Determination of microamounts of inorganic anions in fertilizers by ion chromatography
肥料和土壤调理剂 离子色谱法测定肥料中的微量无机阴离子

2018-01-11

现行

BS ISO 19747-2020

Fertilizers and soil conditioners. Determination of monosilicic acid concentrations in nonliquid fertilizer materials
肥料和土壤调理剂 非液体肥料材料中单硅酸浓度的测定

2020-11-06

现行

ISO 20702-2017

Fertilizers and soil conditioners — Determination of microamounts of inorganic anions in fertilizers by ion chromatography
通过离子色谱法测定肥料中微量无机阴离子

2017-12-08

现行

ISO 19747-2020

Fertilizers and soil conditioners — Determination of monosilicic acid concentrations in nonliquid fertilizer materials
肥料和土壤改良剂.非液体肥料材料中单硅酸浓度的测定

2020-10-29

现行

BS ISO 18643-2016

Fertilizers and soil conditioners. Determination of biuret content of urea-based fertilizers. HPLC method
肥料和土壤调理剂 尿素基肥料中缩二脲含量的测定 高效液相色谱法

2016-03-31

现行

ISO 18643-2016

Fertilizers and soil conditioners — Determination of biuret content of urea-based fertilizers — HPLC method
肥料和土壤调节剂 - 脲基肥料的缩二脲含量的测定 - Hplc方法

2016-03-18

现行

GB/T 42307-2023

肥料和土壤调理剂 尿素基肥料中缩二脲含量的测定 高效液相色谱法
Fertilizers and soil conditioners—Determination of biuret content of urea-based fertilizers—HPLC method

2023-03-17

现行

BS ISO 22145-2021

Fertilizers and soil conditioners. Mineral soil amendments. Determination of total calcium and magnesium content
肥料和土壤调理剂 矿物土壤改良剂 钙和镁总含量的测定

2021-02-19

现行

ISO 22145-2021

Fertilizers and soil conditioners — Mineral soil amendments — Determination of total calcium and magnesium content
肥料和土壤改良剂矿物土壤改良剂总钙和镁含量的测定

2021-02-15

现行

GB/T 34765-2024

肥料和土壤调理剂　黄腐酸含量及碳系数的测定方法
Fertilizers and soil conditioners—Determination of fulvic acid content and carbon coefficient

2024-09-29

现行

BS ISO 22018-2021

Fertilizers, soil conditioners and beneficial substances. Determination of EDTA soluble phosphorus content in inorganic fertilizers
肥料、土壤调节剂和有益物质 无机肥料中EDTA可溶性磷含量的测定

2021-07-29

现行

ISO 22018-2021

Fertilizers, soil conditioners and beneficial substances — Determination of EDTA soluble phosphorus content in inorganic fertilizers
无机肥料中可用磷含量的测定 - EDTA萃取法

2021-07-07

现行

BS ISO 17318-2015

Fertilizers and soil conditioners. Determination of arsenic, cadmium, chromium, lead and mercury contents
肥料和土壤调理剂 砷、镉、铬、铅和汞含量的测定

2015-06-30

现行

ISO 17318-2015

Fertilizers and soil conditioners — Determination of arsenic, cadmium, chromium, lead and mercury contents
肥料和土壤调节剂 - 砷 镉 铬 铅和汞含量的测定

2015-06-03

现行

GB/T 39229-2020

肥料和土壤调理剂 砷、镉、铬、铅、汞含量的测定
Fertilizers and soil conditioners—Determination of arsenic,cadmium,chromium,lead and mercury contents

2020-11-19