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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 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:

Product Information

Analyte Name

Range

Units

Accreditation

Arsenic

20.0

mg/kg

Cadmium

1.0

mg/kg

Carbonate content

100000.0

mg/kg

Chromium

100.0

mg/kg

Cobalt

20.0

mg/kg

Conductivity

1500.0

uS/cm

Copper

40.0

mg/kg

Extractable phosphorus

50.0

mg/kg

Extraction of magnesium

500.0

mg/kg

Extraction of potassium

250.0

mg/kg

Extraction of sodium

200.0

mg/kg

Fluoride

100.0

mg/kg

Iron

30000.0

mg/kg

Lead

50.0

mg/kg

Loss on ignition

20.0

%

Manganese

1000.0

mg/kg

Mercury

0.5

mg/kg

Molybdenum

4.0

mg/kg

Nickel

40.0

mg/kg

Organic carbon content

10.0

%

pH at 20-25°C

10.0

-

Selenium

1.0

mg/kg

Total Boron

100.0

mg/kg

Total nitrogen

4000.0

mg/kg

Total Phosphorus

1000.0

mg/kg

Total potassium

6000.0

mg/kg

Total Solids

100.0

%

Vanadium

100.0

mg/kg

Water extractable boron

10.0

mg/kg

Zinc

150.0

mg/kg

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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