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14 - Agricultural Soil Inorganics and Specific Elements

Product Code

PT-AQ-14

Proficiency Testing Scheme

Water Chemistry (AQUACHECK)

Matrix

Agricultural soil

Industry Sector/s

Product Format

1 x 100g soil sample

Accreditation

ISO/IEC 17043

Overview of PT samples and distribution dates:

Product Information

Analyte Name

Range

Units

Accreditation

Analyte Name

Arsenic

Range

20.0

Units

mg/kg

Accreditation
Analyte Name

Cadmium

Range

1.0

Units

mg/kg

Accreditation
Analyte Name

Carbonate content

Range

100000.0

Units

mg/kg

Accreditation
Analyte Name

Chromium

Range

100.0

Units

mg/kg

Accreditation
Analyte Name

Cobalt

Range

20.0

Units

mg/kg

Accreditation
Analyte Name

Conductivity

Range

1500.0

Units

uS/cm

Accreditation
Analyte Name

Copper

Range

40.0

Units

mg/kg

Accreditation
Analyte Name

Extractable phosphorus

Range

50.0

Units

mg/kg

Accreditation
Analyte Name

Extraction of magnesium

Range

500.0

Units

mg/kg

Accreditation
Analyte Name

Extraction of potassium

Range

250.0

Units

mg/kg

Accreditation
Analyte Name

Extraction of sodium

Range

200.0

Units

mg/kg

Accreditation
Analyte Name

Fluoride

Range

100.0

Units

mg/kg

Accreditation
Analyte Name

Iron

Range

30000.0

Units

mg/kg

Accreditation
Analyte Name

Lead

Range

50.0

Units

mg/kg

Accreditation
Analyte Name

Loss on ignition

Range

20.0

Units

%

Accreditation
Analyte Name

Manganese

Range

1000.0

Units

mg/kg

Accreditation
Analyte Name

Mercury

Range

0.5

Units

mg/kg

Accreditation
Analyte Name

Molybdenum

Range

4.0

Units

mg/kg

Accreditation
Analyte Name

Nickel

Range

40.0

Units

mg/kg

Accreditation
Analyte Name

Organic carbon content

Range

10.0

Units

%

Accreditation
Analyte Name

pH at 20-25°C

Range

10.0

Units

-

Accreditation
Analyte Name

Selenium

Range

1.0

Units

mg/kg

Accreditation
Analyte Name

Total Boron

Range

100.0

Units

mg/kg

Accreditation
Analyte Name

Total nitrogen

Range

4000.0

Units

mg/kg

Accreditation
Analyte Name

Total Phosphorus

Range

1000.0

Units

mg/kg

Accreditation
Analyte Name

Total potassium

Range

6000.0

Units

mg/kg

Accreditation
Analyte Name

Total Solids

Range

100.0

Units

%

Accreditation
Analyte Name

Vanadium

Range

100.0

Units

mg/kg

Accreditation
Analyte Name

Water extractable boron

Range

10.0

Units

mg/kg

Accreditation
Analyte Name

Zinc

Range

150.0

Units

mg/kg

Accreditation

Sample 14 uses natural soil samples which are from different sources and of different soil types. 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.

Country of Origin

UNITED KINGDOM

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