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PE3145 Supelco

Complex Nutrients in Seawater - Whole Volume - WP

Proficiency Testing Material

  •  NACRES NA.24

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Properties

Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Proficiency Testing, Water Pollution/Waste Water - Sea Water Matrix,
Quality Level   100
packaging   pack of 1 × 500 mL
mfr. no.   RTC, PEI-3028-2S
concentration   in H2O
Featured Industry   Environmental
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

If a solution is not to be analyzed within two days after opening, preserve a sample aliquot with 0.2 mL of concentrated sulfuric acid per 100 mL of sample (pH<2) and store at 4 degrees C until just before analysis.
Analyze the preserved sample as soon as possible within the maximum 28-day holding time.

Sample preparation
The sample is ready for immediate 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)

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
WP21-3 July 7 - August 20, 2021

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

Analyte

Description

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Kjeldahl nitrogen, total (TKN) 1.5-35 mg/L    
Nitrogen, total 1.5-35 mg/L    
Phosphorus, total .5-10 mg/L    
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
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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08168 Timestrip Plus 8 °C

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