Standard Test Methods for Determining the Water (Moisture) Content, Ash Content, and Organic Material of Peat and Other Organic Soils
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Fertilizers. Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT). Method using high-performance liquid chromatography (HPLC)
€193.00
Fertilizer and soil conditioners. Fertilizer grade urea. General requirements
Fertilizers and soil conditioners. Determination of biuret content of urea-based fertilizers. HPLC method
€269.00
Fertilizers and soil conditioners. Controlled-release fertilizer. General requirements
Fertilizers and soil conditioners. Water soluble fertilizer. General requirements
Fertilizers. Marking. Presentation and declarations
Fertilizers and soil conditioners. Solid urea aldehyde slow release fertilizer. General requirements
Determination of urea content in urea-based fertilizers by high performance liquid chromatography (HPLC)
Fertilizers and soil conditioners. Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials
Fertilizers and liming materials. Determination of cadmium, chromium, lead and nickel by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution
Liming materials. Determination of neutralizing value. Titrimetric methods
Fertilizers. Determination of complexing agents in fertilizers. Identification of heptagluconic acid by chromatography
Fertilizers and liming materials. Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
Fertilizers and liming materials. Determination of mercury by vapour generation (VG) after aqua regia dissolution
