Inorganics - WS PTProficiency Testing

WS – UV254 Absorbance #PEI-085

$66.00

A 21 mL concentrate for determination of UV254 absorbance. Formulated in the NELAC range of 0.05 - 0.7 cm(-1). (Supplied in duplicate) read more

Clear

Compare

Catalog Number:
PEI-085
Choose Study

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