Registration number (WIID)Project No.TitleStatus
10960LVS EN 1233:1996Water quality - Determination of chromium - Atomic absorption spectrometric methods 
10953LVS EN 26777:1993Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984) 
10995LVS EN 1899-1:1998Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815:1989, modified) 
10966LVS EN 1484:1997Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC) 
77982LVS EN ISO 13647:2026Water quality - Enumeration of culturable microorganisms - Colony count by spread plate inoculation on R2A medium (ISO 13647:2026) 
10973LVS EN 26461-1:1993Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 1: Method by enrichment in a liquid medium (ISO 6461-1:1986) 
80072LVS EN ISO 17805:2026Water quality - Sampling, capture and preservation of environmental DNA from water (ISO 17805:2026) 
11087LVS EN ISO 7980:2000Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method (ISO 7980:1986) 
22922LVS EN ISO 11732:2005Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005) 
Displaying 841-849 of 849 results.