Parameter
Biochemical oxygen demand (BOD5)
Reference standard
NS 4758
Internal method identity
5915
Comment
Manometric method
Parameter
Determination of suspended solids
Reference standard
NS-EN 872
Internal method identity
5901
Comment
Filtration through glass fibre filters
Parameter
Selected elements (As, Pb, Cd, Cr, Cu, Ni, Zn, Hg)
Reference standard
NS-EN ISO 17294-2
Internal method identity
23159
Comment
ICP-MS. Digestion based on NS-EN ISO 15587-2:2002, Nitric acid extraction
Parameter
Chemical oxygen demand index (COD)
Reference standard
ISO 15705
Internal method identity
14224
Comment
Photometric determined by dichromate (Merck kit)
Reference standard
NS-EN ISO 6878
Internal method identity
14220
Comment
Ammonium molybdate spectrometric method
Parameter
Determination of dry residue (%DMF)
Reference standard
NS-EN ISO 11465
Internal method identity
23316
Parameter
Determination of elements (As, Pb, Cd, Cr, Cu, Ni, Zn, Hg)
Reference standard
NS-EN ISO 16965
Internal method identity
23159
Comment
ICP-MS. Digestion based on NS-EN 16173:2012. Nitric acid extraction