PE1083 Supelco

Oil and Grease - WP

Proficiency Testing Material, Concentrate for dilution to 1 L

  •  NACRES NA.24



Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, DMRQA PTs, Proficiency Testing,
Quality Level   100
packaging   ampule of 1 × 2 mL
mfr. no.   RTC, PEI-029
concentration   in 1-propanol
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

This PT sample is as a 2mL concentrate.
The solvent for this sample is n-propanol.
The sample is suitable for methods EPA 1664, SM 5520B and other gravimetric methods. It is not suitable for IR methods.
The PT sample has not been preserved.

Sample Preparation
To prepare solution, add 994mL of reagent-grade water and 5mL of 1:1 Hydrochloric Acid to a 2L separatory funnel.
Open ampule PE1083-2ML (be careful to avoid cuts on glass) and transfer 1.0mL of concentrate to the separatory funnel.
Mix well.
The sample is now ready for immediate analysis.
The sample should be analyzed with an approved gravimetric method because it is not suitable for an infrared method.
For calculations, assume that initial sample volume was 1000mL.

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 (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
WP21-2 March 24 - May 7, 2021
WP21-3 July 7 - August 20, 2021
WP21-4 September 22 - November 5, 2021

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



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C10-C32 Hydrocarbons 20-200 mg/L    
n-Hexane Extractable Material (O&G) 20-200 mg/L    
Oil and Grease (HEM-SGT) 10-100 mg/L    
Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Target organs 
Central nervous system
UN1274 - class 3 - PG 2 - n-Propanol solution
WGK Germany 
Flash Point(F) 
71.6 °F - closed cup - Solvent
Flash Point(C) 
22 °C - closed cup - Solvent


Certificate of Analysis (COA)

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Protocols & Articles
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QC1083 Oil and Grease, certified reference material

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