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PE1368 Supelco

pH - WS

Proficiency Testing Material

Synonym: pH-WS

  •  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   pkg of 1 × 100 mL
  pkg of 1 × 20 mL
  pkg of 1 × 250 mL
mfr. no.   RTC, PEI-010-100
  RTC, PEI-010-3
concentration   in H2O
Featured Industry   Environmental

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 250 mL ready to use whole volume.
The solvent for this sample is water.
The PT sample has been autoclaved for preservation.

Sample preparation
This sample contains a solution for direct analysis of pH.
No sample preparation is necessary.
Allow the sample to reach 20 degrees Celsius prior to analysis.

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
WS21-2 March 24 - May 7, 2021
WS21-3 July 7 - August 20, 2021
WS21-4 September 22 - November 5, 2021

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

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Description

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pH 5-10 units    
Safety & Documentation

Safety Information

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)

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Protocols & Articles
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