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PE1078 Supelco

Silica - WP

Proficiency Testing Material, Concentrate for dilution to 1L

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Properties

Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Proficiency Testing, Water Pollution/Waste Water Inorganics,
Quality Level   100
packaging   ampule of 1 × 20 mL
mfr. no.   RTC, PEI-243
concentration   in nitric acid
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 20mL concentrate.
The solvent for this sample is DI water.
The PT sample has not been preserved.

Sample Preparation
Partially fill a 1000mL volumetric flask with reagent-grade water (near 20°C).
Open bottle PE1078-20ML and transfer 10.0mL 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.
Silica (as SiO2) should be reported in mg/L.

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)

Wastewater
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)

Analyte

Description

Product #

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Silica as SiO2 50-250 mg/L    
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
nwg
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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