DIN 51701-2 Testing of solid fuels - Sampling and sample preparation - Part 2: Sampling
DIN 51701-3 Testing of solid fuels - Sampling and sample preparation - Part 3: Sample preparation
DIN 51724-1 Testing of solid fuels - Determination of sulfur content - Part 1: Total sulfur*, 2019-10-01 Update
DIN EN ISO 10304-1 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007); German version EN ISO 10304-1:2009