Fertilizers and soil conditioners; determination of potassium content; flame photometric method
€24.39
Fertilizers and soil conditioners; determination of potassium content; flame photometric method after partial precipitation as potassium Perchlorate
Fertilizers and soil conditioners; determination of potassium content; determination by conductivity titration
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
Soil improvers and growing media - Sample preparation for chemical and physical tests, determination of dry matter content, moisture content and laboratory compacted bulk density; German version EN 13040:1999
€63.27
Soil improvers and growing media - Determination of organic matter content and ash; German version EN 13039:1999
€48.79
