PE1265 Supelco

Oxygenates - WP

Proficiency Testing Material



Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Proficiency Testing, Water Pollution/Waste Water Organics,
Quality Level   100
packaging   ampule of 1.2 mL
mfr. no.   RTC, PEO-256
concentration   in methanol
Featured Industry   Environmental


General description

This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.

Preparation Note

The packsize on this sample has recently changed from 2ML to 1.2ML. This change does not affect the performance of the proficiency test.

This PT sample is packaged as a 1.2 mL concentrate.
The solvent for this sample is methanol.
The PT sample is not preserved.

Sample preparation
Fill a 100 mL Class A Volumetric Flask with 90 mL of organic free reagent water.
Allow the ampule concentrate to equilibrate to room temperature.
Open the ampule and pipet exactly 20 uL of the concentrate into the flask.
Fill to volume and invert the flask three times.
This represents the sample for analysis.

Other Notes

Proficiency testing samples are presented as single blind. No values for the samples are released unti the testing period concludes. Values of analytes vary lot to lot.

Proficiency Testing Schedule (2020-2021)

WP20-1 January 15 - February 28, 2020
WP20-2 March 25 - May 8, 2020
WP20-3A May 13 - June 26, 2020
WP20-3B July 8 - August 21, 2020
WP20-4 September 23 - November 6, 2020
WP20-5 November 25 - January 8, 2021

WP21-1 January 13 - February 26, 2021
WP21-3 July 7 - August 20, 2021

Quick-Turn Study - (non-scheduled proficiency test that is available at any time)



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T-amylmethylether (TAME) 15-100 μg/L    
tert-Butanol 15-100 μg/L    
Ethyl-t-butylether (ETBE) 15-100 μg/L    
Methyl tert-butyl ether (MTBE) 15-100 μg/L    
Di-isopropylether (DIPE) 15-100 μg/L    
Safety & Documentation

Safety Information

Signal word 
Hazard statements 
UN1230 - class 3 - PG 2 - Methanol, solution
WGK Germany 
Flash Point(F) 
51.8 °F - closed cup - Solvent
Flash Point(C) 
11 °C - closed cup - Solvent


Certificate of Analysis (COA)

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Protocols & Articles
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