PRESIDIUM Refractive Index Meter II User Manual

Name: PRESIDIUM Refractive Index Meter II
Brand: PRESIDIUM
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116 pages

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在检测前清洁宝石

准备一张干净的绵纸。用镊子小心地夹起宝石，将它的切

平面朝下放在纸上（图 1.5）。

将宝石切平面抵住绵纸/首饰布轻轻擦拭（图 1.6）。

图 1.6

图 1.5

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