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+34 93 308 4181

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+34 93 308 4181

Product Code

PT-AQ-2SP

Proficiency Testing Scheme

Water Chemistry (AQUACHECK)

Matrix

Potable water

Industry Sector/s

Water & Environmental

Product Format

1 x 1L soft water sample; 8 x 30mL spiking solutions for nitrite, nitrate, ammonia, soluble reactive phosphorus, colour, permanganate index, total cyanide and free cyanide); 1 x 500mL pH/conductivity 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

Ammonia

Range

0.1 - 0.5

Units

mgNH4 /L

Accreditation
Analyte Name

Colour

Range

5 - 25

Units

Hazen

Accreditation
Analyte Name

Colour ISO 7887-C

Range

5 - 25

Units

mg/L Pt

Accreditation
Analyte Name

Conductivity

Range

100 - 750

Units

μS/cm

Accreditation
Analyte Name

Free Cyanide

Range

10-60

Units

μgCN/L

Accreditation
Analyte Name

Nitrate

Range

1-30

Units

mgNO3/L

Accreditation
Analyte Name

Nitrite

Range

0.05-0.35

Units

mgNO2/L

Accreditation
Analyte Name

Permanganate index (PI)

Range

1-6

Units

mgO2/L

Accreditation
Analyte Name

pH

Range

4-10

Units

-

Accreditation
Analyte Name

Silicate

Range

1 - 10

Units

mgSiO2/L

Accreditation
Analyte Name

Soluble Reactive Phosphorus (PO4)

Range

1000 - 2500

Units

μgP/L

Accreditation
Analyte Name

Total Cyanide

Range

10-60

Units

μgCN/L

Accreditation
Analyte Name

Total dissolved solids

Range

25 - 100

Units

mg/L

Accreditation
Analyte Name

Total oxidised nitrogen

Range

0.2-10

Units

mgNO3/L

Accreditation

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