Inorganics - WS PTProficiency Testing

WS – Turbidity #PEI-014

$52.00

A 21 mL concentrate for determination of Turbidity in the NELAC range of 0.5 - 8 NTU. Each container produces 2 liters of sample. (Supplied in duplicate) read more

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Catalog Number:
PEI-014
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