1H - Major inorganic components - Hard water
Product Code
PT-AQ-01H
Proficiency Testing Scheme
Matrix
Industry Sector/s
Product Format
2 x 1L hard water sample; 1 x 30mL kjeldahl nitrogen spiking solution; 1 x 30mL total phosphorus spiking solution
Accreditation
ISO/IEC 17043
Overview of PT samples and distribution dates:
Documentation
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Product Information
Analyte Data
Analyte Name
Range
Units
Accreditation
Alkalinity
150 - 300
mgHCO3/L
Barium
20 - 180
µgBa/L
Calcium
60 - 130
mgCa/L
Chloride
10 - 40
mgCl/L
Conductivity (20°C)
300 - 700
µS/cm
Fluoride
350 - 1800
µgF/L
Kjeldahl nitrogen
1 - 5
mgN/L
Magnesium
2 - 10
mgMg/L
Potassium
1 - 5
mgK/L
Sodium
10 - 35
mgNa/L
Sulfate
10 - 40
mgSO4/L
Total hardness
50 - 150
mgCa/L
Total Phosphorus
0.5 - 2.6
mgP/L
This sample uses natural water samples and the values provided are based on the range of waters used in the past.
For details on the full technical specification of the scheme, please refer to the Scheme Description.
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