Petroleum and natural gas industries - Cements and materials for well cementing - Part 6: Methods for determining the static gel strength of cement formulations (ISO 10426-6:2008); English version EN ISO 10426-6:2008— 15 стр.
Paints and varnishes; determination of "soluble" metal content; determination of total chromium content of the liquid portion; identical with ISO 3856/6, edition 1984— 4 стр.