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 soil
1999-07-15
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
GOST 26261-1984
Почвы. Методы определения валового фосфора и валового калия
土壤测定总磷和总钾的方法
LY/T 1255-1999
森林土壤全硫的测定
Determination of total sulphur in forest soil
1999-07-15
NY/T 87-1988
土壤全钾测定法
Method for determination of total potassium in soils
1988-06-30
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, copper and zinc in forest soil
1999-07-15
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
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
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
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
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
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
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
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
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
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
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