Testing water - Aqueous effluents from petroleum refineries - Determination of organic matters in suspension in water by hexane extraction
€28.06
Testing water - Aqueous effluents from petroleum refineries. Determination of phenols
Methods of testing water used in industry Hydrazine: spectrophotometric method (4-dimethylaminobenzaldehyde)
€165.00
Water analysis methods - Determination of the ammonia nitrogen - Direct photometric method with Nessler reagent
€37.00
Water analysis methods - Determination of the ammonia nitrogen after preliminary distillation
€58.00
Water analysis methods - Determination of the albuminoid nitrogen
Water analysis methods - Determination of the ammoniac nitrogen - Direct photometric method with sodium phenate
Water analysis methods - Determination of the nitrate nitrogen - Photometric method with chromotropic acid
German Standard Methods for Analysing of Water, Waste Water and Sludge; Physical and Physical-chemical Parameters (Group C); Determination of Temperature (C4)
€24.39
Water analysis methods - Determination of phenols - Photometric method
Testing water - Determination of phenol index
€52.13
Water testing - Estimate of dissolved salt content from the determination of theoretical electrical conductivity
€14.03
Methods of testing water used in industry Free EDTA, total salts polyacrylate and polymethacrylate
Testing water - Determination of the chemical oxygen demand (COD)
Testing water - Determination of cupper - Colorimetric method