BS EN 17767 Organo-mineral fertilizers - Extraction of phosphorus by formic acid
€23.00
BS EN 17770 Organic and organo-mineral fertilizers - Determination of total content of specific elements by ICP-AES after digestion by aqua regia
BS EN 17768 Organic and organo-mineral fertilizers - Digestion by aqua regia for subsequent determination of elements
BS EN 17773 Organic and organo-mineral fertilizers - Determination of the dry matter content
BS EN 17779 Organo-mineral fertilizers — Extraction of phosphorus soluble in a neutral ammonium citrate solution
BS EN 15475 Inorganic fertilizers – Titrimetric determination of ammoniacal nitrogen
BS EN 17765 Organic and organo-mineral fertilizers - Determination of biuret content by high-performance liquid chromatography (HPLC)
Pre-shaped growing media. Determination of the dimensions and bulk density
€193.00
BS EN 17728 Organic soil improvers - Overview of methods for the determination of the pH, electrical conductivity, the organic carbon content and the organic nitrogen content
BS EN 17731 Growing media - Overview of methods for the determination of the electrical conductivity, pH, dry matter, quantity, the total copper and zinc content, the water soluble chloride content, and the CaCl2/DTPA extractable nitrogen, P2O5 and K2O content
BS EN 17730 Soil improvers and growing media - Methods for the determination of PAH16, macroscopic impurities above 2mm, the temperature-time profiles, oxygen uptake rate, self-heating factor and residual biogas potential in compost and digestate when used in fertilizing products
High nitrogen content, straight ammonium nitrate fertilizers — Determination of oil retention
€165.00
Draft BS EN 17775 Organic and organo-mineral fertilizers. Determination of the inorganic arsenic content
BS EN 17778 Organic and organo-mineral fertilizers - Determination of chromium(VI) content
BS EN 17772 Organic and organo-mineral fertilizers - Determination of specific parameters
