现行

LY/T 1234-1999

森林土壤全钾的测定
Determination of total potassium in forest soil

1999-07-15

现行

LY/T 1271-1999

森林植物与森林枯枝落叶层氮、磷、钾、钠、钙、镁的测定
Determination of total nitrogen,phosphorus,potassium,sodium,calcium,magnesium in forest plant and forest floor

1999-07-15

现行

LY/T 1246-1999

森林土壤交换性钾和钠的测定
Determination of exchangeable potassium and sodium in forest soil

1999-07-15

现行

GOST 26261-1984

Почвы. Методы определения валового фосфора и валового калия
土壤测定总磷和总钾的方法

现行

LY/T 1255-1999

森林土壤全硫的测定
Determination of total sulphur in forest soil

1999-07-15

现行

LY/T 1232-1999

森林土壤全磷的测定
Determination of total phosphorus in forest soil

1999-07-15

现行

LY/T 1228-1999

森林土壤全氮的测定
Determination of total nitrogen in forest soil

1999-07-15

现行

NY/T 87-1988

土壤全钾测定法
Method for determination of total potassium in soils

1988-06-30

现行

LY/T 1244-1999

森林土壤交换性盐基总量的测定
Determination of total exchangeable base in forest soil

1999-07-15

现行

LY/T 1241-1999

森林土壤水解性总酸度的测定
Determination of hydrolytic total acidity in forest soil

1999-07-15

现行

KS M ISO 1692(2022 Confirm)

규산 소듐 및 규산 포타슘(산업용) — 총 알칼리도 정량 — 적정법
工业用硅酸钠和硅酸钾.总碱度的测定.滴定法

2017-12-29

现行

KS M ISO 1692

규산 소듐 및 규산 포타슘(산업용) — 총 알칼리도 정량 — 적정법
工业用硅酸钠和硅酸钾 - 总碱度测定 - 滴定法

2017-12-29

现行

ISO 1692-1976

Sodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric method
工业用硅酸钠和硅酸钾——总碱度的测定——滴定法

1976-04-01

现行

LY/T 1270-1999

森林植物与森林枯枝落叶层全硅、铁、铝、钙、镁、钾、钠、磷、硫、锰、铜、锌的测定
Determination of total silica,iron,aluminium,calcium,magnesium,potassium,sodium,phosphorus,sulphur,manganese,copperand zinc in forest plant and fores floor

1999-07-15

现行

GB/T 17135-1997

土壤质量 总砷的测定 硼氢化钾-硝酸银分光光度法
Soil quality--Determination of total arsenic--Spectrophotometric method with potassium borohyride andsilver nitrate

1997-12-08

现行

BS 6092-2-1981

Methods of sampling and test for sodium and potassium silicates for industrial use-Determination of total solids content
工业用硅酸钠和硅酸钾的取样和试验方法

1981-02-27

现行

BS 6092-5-1981

Methods of sampling and test for sodium and potassium silicates for industrial use-Determination of total alkali content
工业用硅酸钠和硅酸钾的取样和试验方法

1981-02-27

现行

LY/T 1253-1999

森林土壤矿质全量元素(硅、铁、铝、钛、锰、钙、镁、磷）烧失量的测定
Determination of mineral total elements(silica,iron,aluminium,titanium,manganese,calcium,magnesium,phosphorus)ignition loss in forest soil

1999-07-15

现行

LY/T 3129-2019

森林土壤铜、锌、铁、锰全量的测定　电感耦合等离子体发射光谱法
Determination of the total copper, zinc, iron and manganese in forest soils—Inductively coupled plasma-optical emission spectrometer (ICP-OES)

2019-10-23

现行

UNE 55627-1983

SURFACE ACTIVE AGENTS. SODIUM AND POTASSIUM SILICATES TO BE USED AS RAW-MATERIALS IN DETERGENT FORMULATIONS. DETERMINATION OF TOTAL ALKALINITY. TITRIMETRIC METHOD
表面活性剂 用作洗涤剂配方原料的硅酸钠和硅酸钾 总碱度的测定 滴定法

1983-05-15