Photometric Linearity Potassium Dichromate Kit 

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Potassium Dichromate dissolved in Perchloric Acid (0.001N) is a tried and true method of verifying for absorbance accuracy (photometric) as well as linearity in the UV range. Producing several characteristic peaks throughout the UV range, Potassium Dichromate enables checking at 235nm, 257nm, 313nm, 350nm and 430nm. PC produces its own blend in house, derived from the NIST SRM 935a guidelines and permanently seals the contents in a fire-fused quartz cuvette.

Potassium Dichromate is specifically required by many labs conforming to European Pharmacopoeia (EP) as well as Current Good Manufacturing Practices (cGMP). Validation is frequently required to be performed every 3 months or after repairs.

If periodic calibration is not required by your particular lab, we strongly recommend choosing our FUV-series solid state calibration standards, which NEVER need to be recalibrated due to material aging. With just one filter, you can check for photometric accuracy and stray light for ANY points in the range of 200-700nm.

  • SRM-PD5 Potassium Dichromate Reference Kit contains 5 Concentrations (20mg/L, 40mg/L, 60mg/L, 80mg/L, 100mg/L) and one Perchloric Acid blank.
  • SRM-PD6 Kit contains 6 concentrations (20mg/L, 40mg/L, 60mg/L, 80mg/L, 100mg/L, 600mg/L) and one Perchloric Acid Blank. This kit is for use in European Pharmacoepia validations.
  • Custom concentrations available on request.

Verify for photometric accuracy and linearity in the UV range at the following wavelengths
  • 235nm
  • 257nm
  • 313nm
  • 350nm
  • 430nm (only with the 600mg/L concentration)
Included with Potassium Dichromate Liquid Calibration Standard:

Instructions are included with every Potassium Dichromate liquid filter

Certificate of calibration with NIST traceability

Please allow one week of lead time from the time of order.

All of our calibration standards are proudly made in North America.

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P/N Description Unit of Measure (UOM) Price Quantity  
SRM-PD5 20mg/L, 40mg/L, 60mg/L, 80mg/L, 100mg/L Kit $2199.00
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SRM-PD6 20mg/L, 40mg/L, 60mg/L, 80mg/L, 100mg/L, 600mg/L Kit $2499.00
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