Reference standard
Internal method
Internal method identity
Hg
Comment
Method based on NS-EN ISO 17852:2008 1st ed. Digested by NS-EN ISO 15587-2:2002.
HG-AFS
Parameter
As, Pb, Cd, Cr, Cu, Mn, Ni, Zn
Reference standard
NS-EN ISO 17294-2
Internal method identity
As ICP-MS
Pb ICP-MS
Cd ICP-MS
Cu ICP-MS
Cr ICP-MS
Mn ICP-MS
Ni ICP-MS
Zn ICP-MS
Comment
ICP-MS
Collected after
NS-EN 15587-2:2002
Parameter
Chemical oxygen demand index
Reference standard
ISO 15705
Internal method identity
CODCR
Comment
Hach Lange cuvette test LCI 400
Parameter
Kjeldahl nitrogen, total
Reference standard
Internal method
Internal method identity
TKN
Comment
Method based on NS-ISO 5663:1984 1st ed. and TEC AN 300.
Kjeltec 8460 and digestor 2520
Parameter
Biochemical oxygen demand
(BOFn)
Reference standard
NS-EN ISO 5815-1
Internal method identity
BOD5(ATU)
Comment
Incubator/ Oxygen-electrode
Parameter
Determination of nitrite nitrogen and nitrate nitrogen and the sum of both
Reference standard
NS-EN ISO 13395
Internal method identity
NO2+NO3
Comment
Accreditation is valid only for the sum of nitrite-nitrogen and nitrate-nitrogen
By flow analysis (CFA and FIA) and spectrometric detection
Parameter
As, Mg, Al, P, K, Ca, Cr, Mn, Fe, Ni, Cu, Zn, Cd, Pb
Reference standard
NS-EN 16171
Internal method identity
As-S ICPMS, Mg-S ICPMS, Al-S ICPMS, P-S ICPMS, K-S ICPMS, Ca-S ICPMS, Cr-S ICPMS, Mn-S ICPMS, Fe-S ICPMS, Ni-S ICPMS, Cu-S ICPMS, Zn-S ICPMS, Cd-S ICPMS, Pb-S ICPMS
Comment
ICP-MS. Digestion according to NS-EN 16173:2012
Parameter
Determination of loss on ignition
Reference standard
NS-EN 15935
Internal method identity
GL.TAP-S
GL.REST-S
Comment
Automated method, prepAsh 340
Parameter
Residue on ignition
Loss on ignition
Reference standard
NS-EN 15935
Internal method identity
GL.TAP-S
GL.REST-S
Comment
Annealing furnace
Parameter
Kjeldahl nitrogen, total
Reference standard
Internal method
Internal method identity
TKN-S
Comment
Method based on NS-EN 16169:2012 1st ed. and TEC AN 300.
Kjeltec 8460 and digestor 2520
Parameter
Dry matter fraction
Reference standard
NS-EN 15934
Internal method identity
TS-S
Comment
Calculated dry matter fraction
Heating chamber
Parameter
Dry matter fraction
Reference standard
NS-EN 15934
Internal method identity
TS-S
Comment
Calculated dry matter fraction
Automated method, prepAsh 340
Reference standard
Internal method
Internal method identity
Hg-S
Comment
Method based on NS-EN ISO 17852:2008 1st ed. Digested by NS 4770:1994 2nd ed.
HG-AFS
Reference standard
Internal method
Internal method identity
PH-S
Comment
pH meter
Method based on withdrawn standard NS-EN 12176:1998