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    Laboratory A tested talcum powder from each of the 50 samples using transmission electron microscope (TEM) methods. The procedure for testing by Lab A was as follows: 0.01 g of talcum powder was removed from its vial and suspended in 1 ml of distilled water with one to .

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    Determination Method Of Brightness Of Talcum. Brightness is determined by measuring the reflectance of finely ground powder against a standard that is assigned The Hunter method is also used to measure the brightness of wollastonite. the hardness of talc is 1.01.5 and calcite is 3.0.

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    Determination of Magnesium Oxide Content in Mineral Medicine Talcum Using Near-Infrared Spectroscopy Integrated with Support Vector Machine Mi Lei, Long Chen, Bisheng Huang, and Keli Chen Applied Spectroscopy 2017 71 : 11, 2427-2436

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    Determination Method Of Brightness Of TalcumÖversätt den här sidan

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