NY/T 1976-2010
DB12/T 961-2020
DB1301/T 501-2024
T/GXAF 0017-2024
T/SDDZ 003-2024
KS F 2104-2013(2018)
Standard test method of organic matter contents in soils by ignition loss
T/HNNMIA 87-2023
UNE 103204:1993 ERRATUM
ORGANIC MATTER CONTENT OF A SOIL BY THE POTASSIUM PERMANGANATE METHOD.
UNE 103204:1993
ORGANIC MATTER CONTENT OF A SOIL BY THE POTASSIUM PERMANGANATE METHOD.
T/CHBAS 65-2024
AS 1289.4.1.1:2019
Methods of testing soils for engineering purposes, Method 4.1.1: Soil chemical tests - Determination of the organic matter content of a soil - Normal method
UNE-EN 13039:2001
SOIL IMPROVERS AND GROWING MEDIA - DETERMINATION OF ORGANIC MATTER CONTENT AND ASH.
UNE 7368:1977
DETERMINATION OF SOILS ORGANIC MATTER CONTENT WITH OXYGENATED WATER.
AS 1289.4.1.1-1997
Methods of testing soils for engineering purposes, Method 4.1.1: Soil chemical tests - Determination of the organic matter content of a soil - Normal method
DIN EN 13039
Soil improvers and growing media - Determination of organic matter content and ash; English version of DIN EN 13039
AS 1289.D1.1-1977
Methods of testing soil for engineering purposes - Part D - Soil chemical tests - Determination of the organic matter content of a soil (Standard method)