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.
Paper and board intended to come into contact with foodstuffs - Determination of formaldehyde in an aqueous extract; German version EN 1541:1998— 6 стр.
Paper and board intended to come into contact with foodstuffs - Determination of formaldehyde in an aqueous extract; German version EN 1541:1996— 6 стр.
Paper and board intended to come into contact with foodstuffs - Determination of dry matter content in an aqueous extract; German version EN 920:1998— 6 стр.
Paper and board intended to come into contact with foodstuffs - Determination of dry matter content in an aqueous extract; German version EN 920:2000— 7 стр.
Paper and board intended to come into contact with foodstuffs - Determination of formaldehyde in an aqueous extract; German version EN 1541:2001— 9 стр.
Paper and board - Paper and board intended to come into contact with foodstuffs - Determination of mercury in an aqueous extract; German version EN 12497:2005— 11 стр.