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Germany

Tesium GmbH Umweltlabor

Mühlenfeldstraße 1, 37603, Holzminden, Germany

DAKKS D-PL-14287-01-00DAKKS D-PL-14287-01-01ISO/IEC 17025Register refreshed 2026-11-06

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Accredited standards
55
DAKKS certificates
2
Site in our directory
1
DAKKS accredited scope

What this lab is accredited for

Our reading of the DAKKS scope: each standard once, with its official name where we have checked it.

Only this lab. Searches the 55 standard numbers and the 32 official names we hold. When no standard matches, it searches the method text of every scope line.

ISO23
ISO 5667-6Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams
ISO 5814Water quality - Determination of dissolved oxygen - Electrochemical probe method
ISO 5961Water quality - Determination of cadmium by atomic absorption spectrometry
ISO 7027-1Water quality - Determination of turbidity - Part 1: Quantitative methods
ISO 7027-2Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters
ISO 7887Water quality - Examination and determination of colour
ISO 7980Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method
ISO 9562Water quality - Determination of adsorbable organically bound halogens (AOX)
ISO 10523Water quality - Determination of pH
ISO 11885Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES)
ISO 11905-1Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate
ISO 11969Water quality - Determination of arsenic - Atomic absorption spectrometric method (hydride technique)
Show all 23
ISO 12020Water quality - Determination of aluminium - Atomic absorption spectrometric methods
ISO 12846Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment
ISO 14402Water quality - Determination of phenol index by flow analysis (FIA and CFA)
ISO 14911Water quality - Determination of dissolved Li+, Na+, NH4+, K+, Mn2+, Ca2+, Mg2+, Sr2+ and Ba2+ using ion chromatography - Method for water and waste water
ISO 15586Water quality - Determination of trace elements using atomic absorption spectrometry with graphite furnace
ISO 15587-1Water quality - Digestion for the determination of selected elements in water - Part 1: Aqua regia digestion
ISO 15587-2Water quality - Digestion for the determination of selected elements in water - Part 2: Nitric acid digestion
ISO 15705Water quality - Determination of the chemical oxygen demand index (ST-COD) - Small-scale sealed-tube method
ISO 17289Water quality - Determination of dissolved oxygen - Optical sensor method
ISO 17294-2Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 2: Determination of selected elements including uranium isotopes
ISO 17852Water quality - Determination of mercury - Method using atomic fluorescence spectrometry
DIN20
DIN 38402-A 11
DIN 38402-A 12
DIN 38402-A 13
DIN 38404-C 6
DIN 38405-D35
DIN 38406-E3
DIN 38406-E6
DIN 38406-E7
DIN 38406-E8
DIN 38406-E11
DIN 38406-E13
DIN 38406-E14
Show all 20
DIN 38406-E32
DIN 38406-E33
DIN 38409-H2
DIN 38409-H9
DIN 38409-H16
DIN 38409-H41
DIN 38409-H44
DIN 38409-H 7
EN9
EN 872Water quality - Determination of suspended solids - Method by filtration through glass fibre filters
EN 1233Water quality - Determination of chromium - Atomic absorption spectrometric methods
EN 1484Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)
EN 1622Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN)
EN 1899-1Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815:1989, modified)
EN 1899-2Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 2: Method for undiluted samples
EN 12260Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
EN 25813Water quality - Determination of dissolved oxygen - Iodometric method
EN 27888Water quality - Determination of electrical conductivity
Other standards3
38402-A
38402-A 30
38404-C 4

Read from the scope as published by DAKKS. Register refreshed 2026-11-06.

Scope as published by DAKKS

19 lines
DAKKS

ISO/IEC 17025

Active

D-PL-14287-01-00

View scope
DAKKS

ISO/IEC 17025

Active

D-PL-14287-01-01

View scope

Location

Mühlenfeldstraße 1, Holzminden, 37603, DE

51.82557, 9.45750

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Accreditation data refreshed from the DAKKS register on .

This page mirrors a public register. For a purchasing, audit or regulatory decision, confirm against the DAKKS entry linked above.