Liming materials - Determination of the breakdown of granulated calcium and calcium/magnesium carbonates under the influence of water; German version EN 15704:2008— 10 стр.
Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC); German version EN 16651:2015— 14 стр.
Fertilizers - Determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid, IDHA) using high-performance liquid chromatography (HPLC); German version EN 15950:2010— 17 стр.
Fertilizers - Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates; German version EN 15960:2011— 8 стр.
Fertilizers - Determination of urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) using high-performance liquid chromatography (HPLC); German version EN 15688:2008— 12 стр.
Fertilizers - Determination of chelating agents - Determination of iron chelated by EDDHSA by ion pair chromatography; German version EN 15451:2008— 17 стр.
Fertilizers - Determination of chelating agents - Determination of iron chelated by o,p- EDDHA by reversed phase HPLC; German version EN 15452:2008— 15 стр.
Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009— 19 стр.
Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen— 25 стр.
Fertilizers - Determination of urea condensates using high-performance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylene-urea oligomers (method B); German version EN 15705:2010— 24 стр.
Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 2: Determination of Fe chelated by o,o-EDDHA and o,o-EDDHMA by ion pair chromatography; German version EN 13368-2:2007— 19 стр.
Fertilizers - Extraction of water soluble micro-nutrients in fertilizers and removal of organic compounds from fertilizer extracts; German version EN 16962:2018— 11 стр.
Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 2: Determination of Fe chelated by o,o-EDDHA, o,o-EDDHMA and HBED by ion pair chromatography; German version EN 13368-2:2012— 23 стр.
Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 3: Determination of [S,S]-EDDS by ion pair chromatography; German version EN 13368-3:2017— 23 стр.
Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid; German version EN 13971:2012— 18 стр.