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ÖNORM EN 15950:2010-12
Действует
Fertilizers - Determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid, IDHA) using high-performance liquid chromatography (HPLC)
ÖNORM EN 15688:2008-10
Действует
Fertilizers - Determination of urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) using high-performance liquid chromatography (HPLC)
ÖNORM EN 15959:2012-04
Действует
Fertilizers - Determination of extracted phosphorus
ÖNORM EN 15705:2010-05
Действует
Fertilizers - Determination of urea condensates using high-performance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
ÖNORM EN 14069:2017-12
Действует
Liming materials - Denominations, specifications and labelling
ÖNORM EN 15919:2011-07
Действует
Fertilizers - Extraction of phosphorus soluble in 2 % formic acid
ÖNORM EN 15559:2009-05
Действует
Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
ÖNORM EN 15478:2009-04
Действует
Fertilizers - Determination of total nitrogen in urea
ÖNORM EN 15562:2009-05
Действует
Fertilizers - Determination of cyanamide nitrogen
ÖNORM EN 15922:2011-07
Действует
Fertilizers - Extraction of soluble phosphorus according to Petermann at ambient temperature
ÖNORM EN 15475:2009-04
Действует
Fertilizers - Determination of ammoniacal nitrogen
ÖNORM EN 15924:2011-11
Действует
Fertilizers - Determination of the fineness of grinding of soft natural phosphates
ÖNORM EN 15925:2011-11
Действует
Fertilizers - Extraction of total sulfur present in various forms
ÖNORM EN 15750:2010-03
Действует
Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
ÖNORM EN 13654-2:2002-01
Действует
Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method
ÖNORM EN 15238+AC:2009-08
Действует
Soil improvers and growing media - Determination of quantity for materials with particle size greater than 60 mm (consolidated version)
ÖNORM EN 13039:2011-12
Действует
Soil improvers and growing media - Determination of organic content and ash
ÖNORM EN 15962:2011-03
Действует
Fertilizers - Determination of the complexed micro-nutrient content and of the complexed fraction of micro-nutrients
ÖNORM EN 15928:2010-10
Действует
Fertilizers - Determination of the fineness of grinding (dry procedure)
ÖNORM EN 13475:2002-02
Действует
Liming materials - Determination of calcium content - Oxalate method
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