Fertilizers. Determination of trace elements. Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
€193.00
Fertilizers. Determination of trace elements. Determination of cadmium, chromium, lead and nickel by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution
Fertilizers. Determination of trace elements. Determination of mercury by vapour generation (VG) after aqua regia dissolution
Fertilizers. Extraction of phosphorus soluble in 2% formic acid
€165.00
Fertilizers. Extraction of phosphorus soluble in 2% citric acid
Fertilizers. Extraction of phosphorus soluble in alkaline ammonium citrate according to Petermann at 65°C
Fertilizers. Extraction of soluble phosphorus according to Petermann at ambient temperature
Fertilizers. Extraction of phosphorus soluble in Joulie's alkaline ammonium citrate
Fertilizers. Determination of the fineness of grinding of soft natural phosphates
Fertilizers. Extraction of total sulfur present in various forms
Fertilizers. Extraction of water soluble sulfur where the sulfur is in various forms
Fertilizers. Extraction of phosphorus soluble in mineral acids
Fertilizers. Extraction of phosphorus which is soluble in neutral ammonium citrate
Fertilizers. Extraction of water soluble phosphorus
Fertilizers. Determination of extracted phosphorus
