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SPE021 Supelco

Organophosphorus Pesticides - PT

Proficiency Testing Material



Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Pesticide Proficiency Testing (PT), Proficiency Testing,
packaging   ampule of 1 × 50 g
mfr. no.   RTC, SPE-021
matrix   soil
Featured Industry   Environmental
storage temp.   2-8°C


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 sampes 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

Randomly contains a minimum 80% of the analytes listed.

NOTE: The concentration ranges have changed to meet NELAC and method requirements.
The PT sample size provided is 50 g of soil. The soil has been sterilized to minimize degradation of the sample. The PT sample has been sized to 100 mesh.
Required storage condition is 4º C.
The evaluation of results will be based on study statistics as required by NELAC.
The sample has been intentionally prepared with an apparent headspace.

Sample Preparation
Mix well prior to use.
Analyze the sample using the preparatory and determinative method(s) for which you are seeking accreditation.
If you are accrediting for more than one method make additional copies of the report form and clearly indicate the method used for the data being reported.
Determine the concentration and report your results on the analysis data sheet provided. Determine moisture content and report on a dry weight basis.



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Azinphos-methyl (Guthion) 100-1000 μg/kg    
Carbophenothion 100-1000 μg/kg    
Chlorfenvinphos 100-1000 μg/kg    
Chlorpyrifos 100-1000 μg/kg    
Demeton S 100-1000 μg/kg    
Demeton 100-1000 μg/kg    
Demeton-O 100-1000 μg/kg    
Diazinon 100-1000 μg/kg    
Dibrom® 100-1000 μg/kg    
Dichlorovos (DDVP, Dichlorovos) 100-1000 μg/kg    
Dimethoate 100-1000 μg/kg    
Disulfoton 100-1000 μg/kg    
EPN 100-1000 μg/kg    
Ethoprophos 100-1000 μg/kg    
Famphur 100-1000 μg/kg    
Fenthion 100-1000 μg/kg    
Malathion 100-1000 μg/kg    
Parathion-methyl 100-1000 μg/kg    
Mevinphos 100-1000 μg/kg    
Parathion, ethyl 100-1000 μg/kg    
Phorate 100-1000 μg/kg    
Pirimiphos-methyl 100-1000 μg/kg    
Ronnel 100-1000 μg/kg    
Sulfotepp 100-1000 μg/kg    
Tetrachlorvinphos (Stirophos, Gardona) 100-1000 μg/kg    
Tetraethyl pyrophosphate (TEPP) 100-1000 μg/kg    
Trichlorfon 100-1000 μg/kg    
Trifluralin (Treflan) 100-1000 μg/kg    
Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Precautionary statements 
UN 3077 9 / PGIII
WGK Germany 


Certificate of Analysis

Protocols & Articles
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SQC021 Organophosphorus Pesticides, certified reference material
08168 Timestrip Plus 8 °C

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