Fertilizers. Determination of urea condensates using high-performance liquid chromotography (HPLC). Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)— 24 стр.
Fertilizers. Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods— 20 стр.
Fertilizers. Determination of trace elements. Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)— 20 стр.
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— 22 стр.
Fertilizers. Determination of chelating agents in fertilizers by chromatography. Determination of Fe chelated by o,o-EDDHA and o,o-EDDHMA by ion pair chromatography— 22 стр.
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— 22 стр.
Fertilizers. Determination of trace elements. Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)— 22 стр.
Fertilizers. Determination of trace elements. Determination of arsenic by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution— 18 стр.
Fertilizers. Determination of trace elements. Determination of arsenic by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution— 18 стр.
Fertilizers. Determination of chelating agents in fertilizers by chromatography. Determination of Fe chelated by o,o-EDDHA, o,o-EDDHMA and HBED by ion pair chromatography— 24 стр.
Fertilizers. Determination of 1H-1,2,4-triazole in urea and in fertilizers containing urea. Method using high-performance liquid chromatography (HPLC)— 16 стр.
Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods— 20 стр.
Fertilizers. Determination of urea condensates using high-performance liquid chromatography (HPLC). Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)— 26 стр.
Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen— 26 стр.