Subsoil and groundwater; classification and description of soil and rock; borehole logging of soil and rock not involving continuous core sample recovery— 20 стр.
Solid fuels - Determination of contents of trace elements - Part 4: Atomic absorption spectrometry applying the flameless hydride system or the cold-vapour-method— 4 стр.
Solid fuels - Determination of contents of trace elements - Part 1: General rules, sampling and sample preparation - Preparation of samples for the analyses (dissolution method)— 10 стр.
Solid fuels - Determination of contents of trace elements - Part 1: General rules, sampling and sample preparation; Preparation of samples for the analyses (dissolution method)— 8 стр.