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ISO 4176:1981WithdrawnFertilizers — Determination of nitrate nitrogen content — Nitron gravimetric methodInternational Standard · Published 1 Apr 1981 · ISO/TC 134 ISO 5308:1992WithdrawnSolid fertilizers — Method of checking the performance of mechanical devices for sampling of product moving in bulkInternational Standard · Published 25 Nov 1992 · ISO/TC 134 ISO 5310:1986WithdrawnFertilizers — Determination of potassium content — Titrimetric methodInternational Standard · Published 18 Dec 1986 · ISO/TC 134 ISO 5311:1992WithdrawnFertilizers — Determination of bulk density (tapped)International Standard · Published 9 Jul 1992 · ISO/TC 134 ISO 5311:1983WithdrawnFertilizers — Determination of bulk density (tapped)International Standard · Published 1 Feb 1983 · ISO/TC 134 ISO 5313:1986WithdrawnHigh nitrogen content, straight ammonium nitrate fertilizers — Determination or oil retentionInternational Standard · Published 1 May 1986 · ISO/TC 134 ISO 5316:1977WithdrawnFertilizers — Extraction of water-soluble phosphatesInternational Standard · Published 1 Aug 1977 · ISO/TC 134 ISO 5318:1983WithdrawnFertilizers — Determination of potassium content — Potassium tetraphenylborate gravimetric method (Reference method)International Standard · Published 1 Dec 1983 · ISO/TC 134 ISO 7409:1984WithdrawnFertilizers — Marking — Presentation and declarationsInternational Standard · Published 1 Mar 1984 · ISO/TC 134 ISO 7837:1983WithdrawnFertilizers — Determination of bulk density (loose) of fine-grained fertilizersInternational Standard · Published 1 Nov 1983 · ISO/TC 134 ISO 7851:1983WithdrawnFertilizers and soil conditioners — ClassificationInternational Standard · Published 1 Oct 1983 · ISO/TC 134 ISO 8157:2015WithdrawnFertilizers and soil conditioners — VocabularyInternational Standard · Published 9 Jul 2015 · ISO/TC 134 ISO 8157:1984WithdrawnFertilizers and soil conditioners — VocabularyInternational Standard · Published 1 Dec 1984 · ISO/TC 134 ISO 8189:1992WithdrawnSolid fertilizers — Determination of moisture content — Gravimetric method by drying under reduced pressureInternational Standard · Published 21 Oct 1992 · ISO/TC 134 ISO 8190:1992WithdrawnSolid fertilizers — Determination of moisture content — Gravimetric method by drying at (105 plus or minus 2) degrees CInternational Standard · Published 21 Oct 1992 · ISO/TC 134 ISO 8358:1991WithdrawnSolid fertilizers — Preparation of samples for chemical and physical analysisInternational Standard · Published 9 May 1991 · ISO/TC 134 ISO 8397:1986WithdrawnSolid fertilizers and soil conditioners — Test sievingInternational Standard · Published 13 Nov 1986 · ISO/TC 134 ISO 8603:1993WithdrawnSolid fertilizers — Determination of urea nitrogen content — Gravimetric method using xanthydrolInternational Standard · Published 28 Jan 1993 · ISO/TC 134 ISO 8633:1992WithdrawnSolid fertilizers — Simple sampling method for small lotsInternational Standard · Published 25 Nov 1992 · ISO/TC 134 ISO 10249:1996WithdrawnFluid fertilizers — Preliminary visual examination and preparation of samples for physical testingInternational Standard · Published 19 Dec 1996 · ISO/TC 134