Inorganics - WS PTProficiency Testing

WS – Inorganics #PEI-041

$77.00

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

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Catalog Number:
PEI-041
Study Number

WS-121, WS-122, WS-123, WS-124

2019/2020 WS Study Schedule

2019/2020 WS Study Schedule

Study Number Study Opens Study Closes
WS-120 Oct. 14 Nov. 27, 2019
WS-121 Jan. 7 Feb. 20, 2020
WS-122 April 14 May 28, 2020
WS-123 July 7 Aug. 20, 2020
WS-124 Oct. 14 Nov. 27, 2020

Analyte

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