Withdrawal of ISO/R 926-1969

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Life cycle

Replaced by

ISO 334:1975WithdrawnCoal and coke — Determination of total sulphur — Eschka methodInternational Standard · Published 1 Jan 1975 · ISO/TC 27/SC 5ISO 352:1981WithdrawnSolid mineral fuels — Determination of chlorine — High temperature combustion methodInternational Standard · Published 1 Apr 1981 · ISO/TC 27/SC 5ISO 622:1981WithdrawnSolid mineral fuels — Determination of phorphorus content — Reduced molybdophosphate photometric methodInternational Standard · Published 1 Aug 1981 · ISO/TC 27/SC 5ISO 333:1983WithdrawnCoal — Determination of nitrogen — Semi-micro Kjeldahl methodInternational Standard · Published 1 Sep 1983 · ISO/TC 27/SC 5