Soil, treated biowaste, sludge and waste - Digestion with a hydrochloric (HCl), nitric (HNO₃) and tetrafluoroboric (HBF₄) or hydrofluoric (HF) acid mixture for subsequent determination of elements; German version EN 13656:2020
Edition 2021-07

Test on gases evolved during combustion of materials from cables - Part 1: Determination of the halogen acid gas content (IEC 60754-1:2011 + corrigendum Nov. 2013 + A1:2019); German version EN 60754-1:2014 + A1:2020
Edition 2021-02

Workshop fabricated steel tanks - Part 1: Horizontal cylindrical single skin and double skin tanks for the underground storage of flammable and nonflammable water polluting liquids other than for heating and cooling of buildings; German version EN 12285-1:2018
Edition 2018-12

Soil, treated biowaste, sludge and waste - Digestion with a hydrochloric (HCl), nitric (HNO3) and tetrafluoroboric (HBF4) or hydrofluoric (HF) acid mixture for subsequent determination of elements
Edition 2021-05-15

Aqueous hydrofluoric acid for industrial use; Sampling and methods of test
Edition 1976-04

Soil quality - Dissolution for the determination of total element contents - Part 1: dissolution with hydrofluoric and perchloric acids
Edition 2001-08-01

Aqueous hydrofluoric acid for industrial use; sampling and methods of tests; amendment 1
Edition 1980-03

Chromium ores; Determination of phosphorus content; Reduced molybdophosphate photometric method
Edition 1981-03

Cryolite, natural and artificial; Determination of calcium content; Flame atomic absorption method
Edition 1976-09

Chromium ores; Determination of total iron content; Titrimetric method after reduction
Edition 1985-11