Fertilizers - Extraction of soluble phosphorus according to Petermann at ambient temperature
€50.00
Fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrate
Fertilizers - Extraction of phosphorus soluble in 2 % citric acid
Fertilizers - Extraction of phosphorus soluble in mineral acids
Fertilizers - Extraction of phosphorus soluble in 2 % formic acid
Liming materials - Determination of neutralizing value - Titrimetric methods
Carbonate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
Soil improvers and growing media - Determination of physical properties - Dry bulk density, air volume, water volume, shrinkage value and total pore space
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
Fertilizers and liming materials - Vocabulary - Part 3: Terms relating to liming materials
Liming materials - Determination of calcium content and magnesium content - Complexometric method
Standard Test Method for Hydraulic Conductivity of Essentially Saturated Peat
€65.00
High nitrogen content, straight ammonium nitrate fertilizers — Determination or oil retention
€51.00
Minimum requirements for the certification of inputs to be used in organic plant production according to UNE 142500 and UNE 315500
€69.00
€72.00