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Product Code

PT-AQ-50

Proficiency Testing Scheme

Water Chemistry (AQUACHECK)

Matrix

Surface water

Industry Sector/s

Water & Environmental

Product Format

1 x 500mL sample

Accreditation

ISO/IEC 17043

Overview of PT samples and distribution dates:


Product Information

Analyte Name

Range

Units

Accreditation

Analyte Name

15 minute luminescent bacteria IC50 tests

Range

-

Units

% Dilution

Analyte Name

Daphnia Magna 24hr EC50

Range

-

Units

% Dilution

Analyte Name

Daphnia Magna 48hr EC50

Range

-

Units

% Dilution

Analyte Name

Freshwater algae growth inhibition test (Pseudokirschneriella subcapitata)

Range

-

Units

% Dilution

Analyte Name

Other 30 min luminescent bacteria IC50 tests

Range

-

Units

% Dilution

Analyte Name

Vibrio fischeri 30 minute IC50 (ISO 11348-3)

Range

-

Units

% Dilution

Participants are required to dilute the sample provided in line with their usual practice, and to determine the EC50 (or IC50) dilution using any or all of the ecotoxicity tests listed. The solution will contain zinc sulfate at a concentration in the range 10 to 200mgZn/L. The % dilutions to produce an EC50 returned will be converted to mg Zn/L and performance scores awarded based on a suitable assigned value with a percentage SDPA of 30%.

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

Documentation

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