soil acid

soil acid, Total:32 items.

The international standard classification for "soil acid" includes: Salts , Other non-ferrous metals and their alloys , Non-metalliferous minerals .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB 9968-1996 Rare earth nitrate for agricultural use
GB/T 16484.14-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of phosphorus radicle content
GB/T 16484.23-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 23: Determination of acid insoluble substance in light rare earth carbonate - Gravimetry
GB/T 16484.17-1996 Methods for chemical analysis of rare earth chloride and carbonate—Determination of water content in rare eart carbonate
GB/T 30076-2013 Silicate Phosphors Activated by Rare Earths for LED
GB/T 16479-1996 Rare earth carbonate
GB/T 16484.15-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of chlorine content in rare earth carbonate
GB/T 16484.12-1996 Methods for chemical analysis of rare earth chloride and carbonate―Determination of sulphate radicle content
GB/T 28882-2012 Rare earth carbonate of ion-absorpted type rare earth ore
GB/T 16484.18-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of ignition loss content of rare earth carbonate

SY 5451-1992 Test methods and evaluation indexes for soil acid acidification corrosion inhibitors

DB3710/T 106-2020 Technical Specifications for Acidified Soil Improvement in Apple Orchard

BS ISO 14388-2:2014 Soil quality. Acid-base accounting procedure for acid sulfate soils. Chromium reducible sulfur (CRS) methodology
BS ISO 14388-3:2014 Soil quality. Acid-base accounting procedure for acid sulfate soils. Suspension peroxide oxidation combined acidity and sulfur (SPOCAS) methodology
BS ISO 14388-1:2014 Soil quality. Acid-base accounting procedure for acid sulfate soils. Introduction and definitions, symbols and acronyms, sampling and sample preparation

NF ISO 14388-2:2014 Soil quality - Acid-base counting method for acid sulfate soils - Part 2: chromium sulfate reduction method
NF X31-112-2*NF ISO 14388-2:2014 Soil quality - Acid-base accounting procedure for acid sulfate soils - Part 2 : chromium reducible sulfur (CRS) methodology
NF X31-112-3*NF ISO 14388-3:2014 Soil quality - Acid-base accounting procedure for acid sulfate soils - Part 3 : suspension peroxide oxidation combined acidity and sulfur (SPOCAS) methodology

ISO 14388-2:2014 Soil quality - Acid-base accounting procedure for acid sulfate soils - Part 2: Chromium reducible sulfur (CRS) methodology
ISO 14388-3:2014 Soil quality - Acid-base accounting procedure for acid sulfate soils - Part 3: Suspension peroxide oxidation combined acidity and sulfur (SPOCAS) methodology

GSO ISO 14388-2:2015 Soil quality -- Acid-base accounting procedure for acid sulfate soils -- Part 2: Chromium reducible sulfur (CRS) methodology
BH GSO ISO 14388-2:2017 Soil quality -- Acid-base accounting procedure for acid sulfate soils -- Part 2: Chromium reducible sulfur (CRS) methodology