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PE1077 Supelco

Dissolved Oxygen - WP

Proficiency Testing Material

  •  NACRES NA.24



Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Proficiency Testing, Water Pollution/Waste Water Inorganics,
Quality Level   100
packaging   ampule of 2 mL
mfr. no.   RTC, PEI-263
concentration   in H2O
Featured Industry   Environmental
shipped in   wet ice
storage temp.   2-8°C


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 packaged as a 2mL concentrate.
The solvent for this sample is water.
Store at room temperature.
Analyte concentration range is 1 to 100 mg/L.

Sample Preparation
This ampule contains a concentrate for preparation of a solution that can be analyzed for dissolved oxygen.
Because of the unique preparation, it is not necessary to shake the ampule before opening it.
Partially fill a 1000mL volumetric flask with reagent-grade water (near 20°C).
Open ampule PE1077-2ML (be careful to avoid cuts on glass) and transfer 1.0mL of concentrate to the volumetric flask.
Fill the volumetric flask to volume with reagent-grade water and mix well.
The sample is now ready for immediate analysis.
Analysis must be started immediately after sample preparation.

Other Notes

Proficiency testing samples are presented as single blind. No values for the samples are released until the testingt 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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Oxygen, dissolved 1-100 mg/L    
Oxygen, dissolved (Winkler) 1-100 mg/L    
Safety & Documentation

Safety Information

GHS05  GHS05
Signal word 
Hazard statements 
Precautionary statements 
NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

Please Enter a Lot Number
Protocols & Articles
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QC1077 Dissolved Oxygen - WP, certified reference material

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