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PE1377 Supelco

Organophosphorus Pesticides (Low Level) - PT

Proficiency Testing Material

  •  NACRES NA.24

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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

Randomly contains a minimum 80% of the analytes listed.

This PT sample is provided as a concentrate requiring dilution into reagent water.
The PT sample can be evaluated for each analyte listed on the report form.
If there are any analytes in the above list you wish not to be evaluated for, leave the associated line blank on the report form.
This PT sample is packaged as a 1.2 mL concentrate.
The solvent for this sample is acetone.
The PT sample is not preserved.
The sample must be stored at 4 °C.

Sample preparation
Preparation Instructions
Allow the ampule concentrate to equilibrate to room temperature.
Fill a 1000 mL Class A Volumetric Flask with 900 mL of organic free reagent water.
Open the ampule and pipet exactly 1.0 mL of the concentrate into the flask.
Fill to volume and mix well.
This represents the sample for analysis.

Matrix Modifier
MMW-001 is intended to modify the products to simulate a waste water sample.
The final dilution will replace the use of DI (Reagent Grade) water for the prepartion of the appropriate CRM/QC sample.
The sample will add turbidity and TSS to the final volume. These do not affect the properties of the analytes of interest in the final sample if prepared according to instructions.
Note filtration may be necessary as required by your method.
To use the matrix modifier simply mix Waste Water Matrix Modifier as specified in the MMW-001 instructions. Use this solution in place of the reagent grade water in the instructions above

The packsize on this sample has recently changed from 2ML to 1.2ML. This change does not affect the performance of the proficiency test.

Other Notes

Proficiency testing samples are presented as single blind. No values for the samples are released unti the testing period concludes. Values of analytes vary lot to lot.

Proficiency Testing Schedule (2020-2021)

Drinking Water
WS20-1 January 15 - February 28, 2020
WS20-2 March 25 - May 8, 2020
WS20-3 July 8 - August 21, 2020
WS20-4 September 23 - November 6, 2020

WS21-1 January 13 - February 26, 2021
WS21-3 July 7 - August 20, 2021

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

Analyte

Description

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Atrazine 10-200 ng/L    
Azinphos-ethyl (Ethyl guthion) 10-200 ng/L    
Azinphos-methyl (Guthion) 10-200 ng/L    
Carbophenothion 10-200 ng/L    
Chlorfenvinphos 10-200 ng/L    
Chlorothalonil .0001-200 ng/L    
Chlorpyrifos 10-200 ng/L    
Diazinon 10-200 ng/L    
Dichlorovos (DDVP, Dichlorovos) 10-200 ng/L    
Dimethoate 10-200 ng/L    
Fenitrothion 10-200 ng/L    
Fenthion 10-200 ng/L    
Malathion 10-200 ng/L    
Methyl parathion (Parathion, methyl) 10-200 ng/L    
Parathion, ethyl 10-200 ng/L    
Pendimethaline (Penoxalin) 10-200 ng/L    
Phorate 10-200 ng/L    
Pirimiphos-methyl 10-200 ng/L    
Primicarb 10-200 ng/L    
Propetamphos 10-200 ng/L    
Simazine 10-200 ng/L    
Terbutryn 10-200 ng/L    
Trietazine 10-200 ng/L    
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Target organs 
Central nervous system
Supplemental Hazard Statements 
EUH066
RIDADR 
UN1993 - class 3 - PG 2 - EHS - VP <= 110kPa - Flammable liquids, n.o.s., HI: all
WGK Germany 
WGK 3
Flash Point(F) 
1.4 °F - closed cup - Solvent
Flash Point(C) 
-17 °C - closed cup - Solvent

Documents

Certificate of Analysis (COA)

Please Enter a Lot Number
Protocols & Articles
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