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Product Code

PT-AQ-16

Proficiency Testing Scheme

Water Chemistry (AQUACHECK)

Matrix

Sewage sludge

Industry Sector/s

Water & Environmental

Product Format

1 x 50g real sewage sludge sample

Accreditation

ISO/IEC 17043 Accredited within the boundaries of LGC’s fixed and flexible scope of UKAS accreditation. Further details can be found in the scheme description. ISO/IEC 17043 Specifies general requirements for the competence of providers of proficiency testing schemes and for the development and operation of proficiency testing schemes. Find out more.

Overview of PT samples and distribution dates:

Scheme Information

Scheme Documents

Product Information

Analyte Data

Analyte Name

Range

Units

Accreditation

Analyte Name

Ammoniacal nitrogen

Range

2000 - 15000

Units

mg/kg dried weight

Accreditation
Analyte Name

Calcium

Range

15000 - 50000

Units

mg/kg; dried weight

Accreditation
Analyte Name

Loss on ignition (500±5°C)

Range

50 - 75

Units

%

Accreditation
Analyte Name

Magnesium

Range

2500 - 7500

Units

mg/kg dried weight

Accreditation
Analyte Name

pH at 20-25°C

Range

4 - 10

Units

-

Accreditation
Analyte Name

Total solids (105±5°C)

Range

50.0

Units

%

Accreditation

Sample 16 uses natural sludge samples from different sources. Figures provided give an indication of the concentrations that may be supplied; these values are accumulated from a range of recent samples provided within the Aquacheck scheme.

For details on the full technical specification of the scheme, please refer to the Scheme Description.

Documentation

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