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PE1195 Supelco

Simple Nutrients - WP

Proficiency Testing Material, Concentrate for dilution to 1 L

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Properties

Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, DMRQA PTs, Proficiency Testing,
Quality Level   100
packaging   ampule of 1 × 20 mL
mfr. no.   RTC, PEI-028-1
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 supplied as a 20mL concentrate. The solvent for this sample is water. The PT sample has been autoclaved for preservation.

Sample Preparation
To prepare solution, partially fill a 1000mL volumetric flask with ammonia-free, reagent-grade water (near 20 ºC).
Open ampule PE1195-20ML (be careful to avoid cuts on glass) 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.
If a solution is not to be analyzed within two days after preparation, preserve a sample aliquot with 0.2 mL of concentrated sulfuric acid per 100 mL of sample (pH<2) and store at 4 ºC until just before analysis. Analyze the preserved sample as soon as possible within the maximum 28-day holding time.

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)

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Ammonia as N 1-20 mg/L    
Nitrate as N 2-25 mg/L    
Nitrate + Nitrite as N 2.5-25 mg/L    
Orthophosphate as P .5-5.5 mg/L    
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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