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Sulfite in Water, WS Proficiency Testing Material, MilliporeSigma™ Supelco™

Catalog No. 111004730
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111004730 20 mL
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Catalog No. 111004730 Supplier Merck Emd Millipore Supplier No. PE154120ML

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.

This PT sample is packaged as a 20 mL concentrate. The solvent for this sample is water, stabilized with 0.5% EDTA. The sample must be stored at 4 degrees Celsius.Sample preparationPartially fill a 1000-mL volumetric flask with reagent-grade water (near 20°C). Open ampule PEI-078 (be careful to avoid cuts on glass) and transfer 10.0 mL of concentrate to the volumetric flask. Fill the flask to volume with reagent-grade water and mix gently. The sample is now ready for immediate analysis.

Specifications

Packaging Ampule
Quantity 20 mL
Concentration or Composition (by Analyte or Components) Sulfite 10-500 mg/L