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SPE073 Supelco

Organo-Tin in Soil - PT

Proficiency Testing Material



Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Proficiency Testing, Solids/Soils Hazardous Waste Organic PTs,
packaging   ampule of 1 × 30 g
mfr. no.   RTC, SPE-073
matrix   soil
Featured Industry   Environmental


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.

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 (2018-2019)

LPTP18-S1 January 31 - March 16, 2018
LPTP18-S2 April 11 - May 25, 2018
LPTP18-S3 July 25 - September 7, 2018
LPTP18-S4 October 10 - November 23, 2018

LPTP19-S1 January 30 - March 15, 2019
LPTP19-S2 April 10 - May 24, 2019
LPTP19-S3 July 24 - September 6, 2019
LPTP19-S4 October 9 - November 22, 2019

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

Preparation Note

The PT sample size provided is 33 g of soil. The soil has been chemically stabilized with 6 mL of methanol to minimize degradation of the sample. The PT sample has been sized to 100 mesh.
The sample has been intentionally prepared with an apparent headspace.

Sample Preparation
The sample is to be extracted using the solid waste method for sediment/soil using methanol as the extraction solvent.
Prior to mixing and sub-sampling of the soil should be done at 4° C to minimize volatilization of the contents.
Do not warm contents to room temperature prior to sampling. Mixing of the sample should occur in the vial and be performed as quickly as possible.
Afterwards, tightly reseal the vial ensuring there is no sample remaining between the vial rim, threads and cap.
Report on a wet weight basis, do not correct results for moisture content.



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Tributyltin (TBT) .001-10 μg/kg    
Triphenyltin (TPhT) .001-10 μg/kg    
Safety & Documentation

Safety Information

GHS08  GHS08
Signal word 
Hazard statements 
NONH for all modes of transport


Certificate of Analysis

Protocols & Articles
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SQC073 Organo-Tin in Soil, certified reference material

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