Inorganics - WS PTProficiency Testing

WS – Inorganics #PEI-041

$92.00

A 500 mL whole volume sample for determination of: (Supplied in duplicate) read more

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Catalog Number:
PEI-041
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WS-137, WS-138, WS-139, WS-140

Drinking Water Chemistry WS Proficiency Study Schedule

2024 WS Drinking Water Chemistry PT Study Schedule
Study Number Study Opens Study Closes
WS-137 Jan. 8, 2024 Feb. 21, 2024
WS-138 April 3, 2024 May 17, 2024
WS-139 July 2, 2024 Aug. 15, 2024
WS-140 Oct. 15, 2024 Nov. 28, 2024

Analyte

Nitrate as N 3.0 – 10 mg/L
Nitrate+Nitrite as N (Total Nitrogen) 3.0 – 10 mg/L
Potassium 10 – 40 mg/L
Chloride 20 – 160 mg/L
Sulfate 25 – 250 mg/L
Fluoride 1.0 – 8.0 mg/L
Alkalinity (as CaCO3) 25 – 200 mg/L
Specific Conductance 130 – 1300 umhos/cm
Total Filterable Residue (TDS at 180°C) 100 – 1000 mg/L