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.
Testing of petroleum products; determination of the lead content (total lead) of gasolines with a mass concentration of lead of 5 and 25 mg/l; direct determination by atomic absorption— 3 стр.
Testing of petroleum products; determination of the lead content (total lead) of gasolines with a mass concentration of lead of 5 and 25 mg/l; direct determination by atomic absorption— 3 стр.