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Specifications EC Number: 231-791-2General '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 unti the testing period concludes. Values of analytes vary lot to lot.Preparation Note This PT sample is provided as a concentrate requiring dilution into reagent water. The PT sample can be evaluated for all analytes listed on the report form. This PT sample is packaged as a 2.0 mL concentrate. The solvent for this sample is reagent water. The PT sample is not preserved. The sample should be stored at 4°C.Sample Preparation Fill a 1000 mL volumetric flask with 900 mL of reagent water. Pipet exactly 1.0 mL of the concentrate into the flask. Bring the flask to volume and mix well. This is the sample for analysis. Report your results in μg/L Diquat, Paraquat, and GlyphosateGrade: certified reference materialPackaging: ampule of 1 × 20 mLMfr. No.: RTC, PEO-097Concentration: in H2O
