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PE1549 Supelco

Dissolved Oxygen - WS

Proficiency Testing Material

  •  NACRES NA.24

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Properties

Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Proficiency Testing, Water Supply/Drinking Water Inorganics,
Quality Level   100
packaging   ampule of 1 × 2 mL
mfr. no.   RTC, PEI-1375
concentration   in H2O
Featured Industry   Environmental
shipped in   wet ice
storage temp.   2-8°C

Description

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 2 mL 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 1000-mL volumetric flask with reagent-grade water (near 20 °C).
Open ampule PEI-1375 (be careful to avoid cuts on glass) and transfer 1.0 mL 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 testing period concludes. Values of analytes vary lot to lot.

Proficiency Testing Schedule (2020-2021)

Drinking Water
WS20-1 January 15 - February 28, 2020
WS20-2 March 25 - May 8, 2020
WS20-3 July 8 - August 21, 2020
WS20-4 September 23 - November 6, 2020

WS21-1 January 13 - February 26, 2021
WS21-3 July 7 - August 20, 2021

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

Analyte

Description

Product #

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Oxygen, dissolved 1-100 mg/L    
Oxygen, dissolved (Winkler) 1-100 mg/L    
Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

Please Enter a Lot Number
Protocols & Articles
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