Fertilizers — Extraction of phosphates soluble in mineral acids
€51.00
Fertilizers. Sampling Presentation of sampling reports
€165.00
Fertilizers. Chemical analysis. Determination of nitrogen Method for determination ammoniacal content in the presence other substances which release ammonia when treated with sodium hydroxide (titrimetric method)
Fertilizers — Determination of total nitrogen content — Titrimetric method after distillation
Fertilizers and soils conditioners. Solubilizing of calcium and magnesium by hydrochloric attack.
€28.06
Fertilizers and soils conditioners. Determination of calcium by atomic absorption spectrometric method.
Fertilizers. Sampling Practical arrangements for final samples
Fertilizers. Chemical analysis. Determination of potassium Preparation the test solution for determination water-soluble content
Fertilizers. Chemical analysis. Determination of potassium Preparation the test solution for determination acid-soluble content
Fertilizers — Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide — Titrimetric method
Fertilizers — Presentation of sampling reports
€77.00
Fertilizers — Determination of acid-soluble potassium content — Preparation of the test solution
Fertilizers — Determination of water-soluble potassium content — Preparation of the test solution
Fertilizers and soil conditioners — Final samples — Practical arrangements
Sludge. Organic soil conditioners. Growth media. Determination of dry matter.
