Today we will see  a revolutionary new white reflectance standard for metrology. This new reflectance standard is a breakthrough in terms of cost, simplicity and unique environmentally friendly disposal process. This new white standard will have broad impact in the fields of photonics, digital photography and color measurement and is available for immediate commercial and research use. Numerous materials and processes have been proposed for use as white standards. These include smoked magnesium oxide and polytetrafluoroethylene or PTFE. Both of these materials have significant drawbacks in environmental safety and complexity of preparation and disposal. The proposed white standard is shown in the pricture next to a freshly pressed PTFE or halon disk. Aside from the irregular border, the size, shape and general appearance of the proposed white standard greatly resemble that of the freshly pressed halon disk. The average cost of the white standard material is less than US$0.10 each in quantity. Bulk quantities of pre-packaged standards are also widely available through a number of distribution channels.

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