Fertilizers - Determination of 1H-1,2,4-triazole in urea and in fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)
Fertilizers - Extraction and determination of elemental sulfur
Fertilizers - Determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)
Fertilizers - Determination of complexed micro-nutrient ions in fertilizers - Identification of lignosulfonates
Fertilizers - Determination of chlorides in the absence of organic material
Fertilizers - Manganimetric determination of extracted calcium following precipitation in the form of oxalate
Fertilizers - Determination of magnesium by atomic absorption spectrometry
Fertilizers - Determination of magnesium by complexometry
Fertilizers - Determination of the sodium extracted by flame-emission spectrometry
Agricultural machinery - Backhoes - Safety
Fertilizers and liming materials - Determination of arsenic by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution
Fertilizers and liming materials - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
53,361 distinct reference strings indexed from official source snapshots. Includes earlier editions. The index and publisher collections have different coverage. See sources and coverage.