Parameter
Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition
Reference standard
NS-EN ISO 5815-1
Internal method identity
D01517
Object
Waste water, Sea water, Pure water
Parameter
Suspended solids (SS)
Reference standard
NS-EN 872
Internal method identity
D00203
Object
Fish and fish/marine products
Parameter
Determination of crude ash
Reference standard
ISO 5984
Internal method identity
D00219
Parameter
Mercury (total)
Reference standard
Internal method
Internal method identity
D02551, D02552
Comment
Method based on NS-EN 16175-1:2016
CVAAS
Parameter
Moisture content
Reference standard
Internal method
Internal method identity
D00211
Comment
Method based on NMKL 23 (1991)
Parameter
Total volatile nitrogen
Reference standard
Internal method
Internal method identity
D00217
Comment
Method based on Kjeldahl, AOAC 920.03
Object
Clean water, wastewater
Reference standard
Internal method
Internal method identity
D00206
Comment
Method based on NS-EN ISO 11905-1
Parameter
Determination of total organic carbon and dissolved organic carbon (TOC/NPOC)
Reference standard
NS-EN 1484
Internal method identity
D02347
Comment
Equivalent to ISO 8245
Parameter
Dissolved chloride, fluoride and sulfate
Reference standard
NS-EN ISO 10304-1
Internal method identity
D02125
Comment
Chromatography of ions
Object
Clean water and wastewater
Parameter
Ammonium nitrogen
Reference standard
NS-EN ISO 11732
Internal method identity
D00187
Comment
Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
Object
Clean water and wastewater
Reference standard
Internal method
Internal method identity
D02595
Comment
HS-GC-MS
Method based on ISO 20595:2022
Object
Clean water and wastewater
Reference standard
Internal method
Internal method identity
D00191
Comment
Method based on DS248 (1973)
Object
Clean water and wastewater
Parameter
Mercury (total)
Reference standard
Internal method
Internal method identity
D02549, D02552
Comment
Method based on NS-EN 1483:2007
CVAAS
Object
Clean water and pool water
Parameter
Permanganate index
Reference standard
NS-EN ISO 8467
Internal method identity
D01605
Comment
Equivalent to COD-Mn
Object
Clean water
Sea water
Parameter
UV transmission
Reference standard
NS 9462
Internal method identity
D00184
Comment
Method based on circular from SIFF, nov.1985
Object
Clean water, waste water
Parameter
As, Cd, Cu, Cr, Pb, Fe, Mn, Ni, Zn
Reference standard
NS-EN ISO 17294-2
Internal method identity
D01481, D02549
Comment
ICP-MS
Decomposition by microwave heating
Object
Clean water and wastewater
Parameter
Determination of the sum of nitrite-nitrogen and nitrate-nitrogen
Reference standard
Internal method
Internal method identity
D00197
Comment
Internal method, Method based on NS-EN ISO 13395, 1 utg. 1996
Object
Pure water, waste water
Parameter
Hydrocarbon oil index (C10-C40)
Reference standard
NS-EN ISO 9377-2
Internal method identity
D02487
Object
Clean water, pool water, and seawater
Parameter
Determination of turbidity
Reference standard
NS-EN ISO 7027-1
Internal method identity
D00182
Comment
Manually performed method K2.58
Object
Clean water, pool water, seawater
Reference standard
NS-EN ISO 7887
Internal method identity
D00183
Object
Clean water, pool water, seawater and wastewater
Reference standard
Internal method
Internal method identity
D00180
Comment
Method based on withdrawn standard NS 4720:1979. Manual method.
Object
Clean water, seawater and wastewater
Reference standard
NS-EN ISO 6878
Internal method identity
D00207
Comment
Total phosphorus, 106 dissolved total phosphorus
Object
Clean water, sea water and wastewater
Reference standard
Internal method
Internal method identity
D00188
Comment
Internal method based on ISO 15681-2:2018. Automated flow analysis (FIA and CFA). See ISO 15681-1
Object
Clean water, seawater, and pool water
Parameter
pH, conductivity, turbidity, colour, alkalinity
Reference standard
Internal method
Internal method identity
D01390
Comment
Automated method based on NS‐EN ISO 10523:2012, NS‐EN 27888:1993, NS‐EN ISO 7027‐1:2016, NS‐EN ISO 7887:2011, NS 4754:1981.
pH, alkalinity and conductivity of seawater is not analyzed.
Object
Clean water, seawater, waste water
Parameter
Suspended solids, residue on ignition
Reference standard
Internal method
Internal method identity
D00203
Comment
Internal method based on NS 4733:1983
Object
Clean water, pool water
Parameter
Ca, Na, K, Mg, Al, Fe, Mn, Cu, Zn, Ni, Cr, Pb, As, Cd, Si, Se, Sb
Reference standard
NS-EN ISO 17294-2
Internal method identity
D01481
Object
Clean water, pool water, waste water
Parameter
Determination of electrical conductivity
Reference standard
NS-EN 27888
Internal method identity
D00181
Comment
Manually performed method K2.58 Replaces ISO 7888:1985