Fertilizers - Determination of urea condensates using high-performance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
Animal feeding stuffs - Determination of OC-pesticides and PCB’s by GC/MS
Animal feeding stuffs - Determination of OC-pesticides and PCB’s by GC/ECD
Fertilizers - Determination of sulfates content using three different methods
Agricultural machinery - Guards for moving parts of power transmission - Guard opening with tool (ISO/TS 28923:2007 modified)
Agricultural machinery - Guards for moving parts of power transmission - Guard opening with tool (ISO/TS 28923:2007 modified)
Fertilizers - Determination of extracted phosphorus
Fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur in the form of sulfates
Fertilizers - Determination of trace elements - Determination of arsenic by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution
Fertilizers - Determination of trace elements - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
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 and liming materials - Determination of cadmium, chromium, lead and nickel by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution
53,361 afzonderlijke normreferenties geïndexeerd op basis van vastgelegde officiële bronnen. Eerdere edities zijn inbegrepen. De index en de collecties van uitgevers hebben een verschillende dekking. Zie bronnen en dekking.