SPE070 Supelco

Solvent Screen - PT

Proficiency Testing Material



Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Proficiency Testing, Solids/Soils Hazardous Waste Organic PTs,
packaging   ampule of 1 × 20 mL
mfr. no.   RTC, SPE-070
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.

Other Notes

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

Proficiency Testing Schedule (2018-2019)

LPTP18-S1 January 31 - March 16, 2018
LPTP18-S2 April 11 - May 25, 2018
LPTP18-S3 July 25 - September 7, 2018
LPTP18-S4 October 10 - November 23, 2018

LPTP19-S1 January 30 - March 15, 2019
LPTP19-S2 April 10 - May 24, 2019
LPTP19-S3 July 24 - September 6, 2019
LPTP19-S4 October 9 - November 22, 2019

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

Preparation Note

This PT sample is packaged as a 20.0 mL whole-volume ampule.
The solvent for this sample is methanol.
The PT sample is not preserved.
This sample may or may not contain all analytes listed on the report form. You are not required to report all analytes only analytes that you wish to be evaluated.

Sample Preparation
The sample in the ampule is ready for analysis.
Dilute as required by your method, but report as received.



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Acetone .1-20 wt. %    
2-Butanone (Methyl ethyl ketone, MEK) .05-5 wt. %    
tert-Butanol solution .025-20 wt. %    
n-Butyl alcohol .025-20 wt. %    
Chloroform .025-1 wt. %    
Dichloromethane (DCM, Methylene chloride) .025-1 wt. %    
Ethanol denatured .025-20 wt. %    
Isopropyl alcohol (2-Propanol) .025-20 wt. %    
Methanol .5-100 wt. %    
4-Methyl-2-pentanone (MIBK) .05-20 wt. %    
Tetrahydrofuran (THF) .05-20 wt. %    
Toluene .025-5 wt. %    
m+p-Xylene .05-20 wt. %    
m-Xylene .5-20 wt. %    
o-Xylene .05-20 wt. %    
p-Xylene .5-20 wt. %    
Xylene, total .05-20 wt. %    
Safety & Documentation

Safety Information

Signal word 
UN 1992 6.1(3) / PGII
WGK Germany 
Flash Point(F) 
68 °F
Flash Point(C) 
20 °C


Certificate of Analysis

Protocols & Articles
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