Fertilizers and soil conditioners; determination of potassium content; determination by conductivity titration
€24.39
Fertilizers and soil conditioners; determination of potassium content; gravimetric method using tetraphenyl borate (precipitation from acid Solution)
Fertilizers and soil conditioners; determination of extractable phosphate; gravimetric determination as quinoline phosphomolybdate
Fertilizers and soil conditioners; determination of ammonium nitrogen; sodium hydroxide distillation method
Fertilizers and soil conditioners; determination of nitrogen content; determination of nitrate and ammonia nitrogen according to Arnd
Fertilizers and soil conditioners; methods of digestion and extraction; digestion of total phosphate
Fertilizers and soil conditioners; methods of digestion and extraction; extraction of water soluble phosphate
Fertilizers and soil conditioners; methods of digestion and extraction; extraction of formic acid soluble phosphate
Fertilizers and soil conditioners; methods of digestion and extraction; extraction of water soluble and neutral-ammonium citrate soluble phosphate according to Fresenius-Neubauer
Fertilizers and soil conditioners; methods of digestion and extraction; extraction of water soluble and neutral-ammonium citrate soluble phosphate according to Petermann
Fertilizers and soil conditioners; methods of digestion and extraction; extraction of citric acid soluble phosphate
Fertilizers - Determination of bulk density (loose) of fine-grained fertilizers (ISO 7837:1992); German version prEN ISO 7837:1999
€48.79
Slow release fertilizers - Part 10: Determination of the rate of release of nutrients; method for coated fertilizers (Proposal for a European Standard)
Fertilizers - Part 11: Denomination and specifications (Proposal for a European Standard)
Fertilizers and liming materials - Part 19: Vocabulary (Proposal for a European Standard)
€56.17