Xylem E-Line Gemological Refractometer User Manual

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E-Line Gemological
Refractometer
User Guide
Page view 0
1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - Refractometer

E-Line Gemological Refractometer User Guide

Page 2 - November 2008

E-Line Gemological Refractometer User Guide (Eng) B+S Code : 44-895 Issue 3A November 2008 Order Code Description 44-861 E-Line Gemolo

Page 3 - Product Description

Product Description Refractive Index is one of the most important optical parameters used to identify and authenticate polished precious and semi-pre

Page 4 - Operating Instructions

Operating Instructions Method of Operation (Singly Refractive) 1. Place the instrument on a suitable table. Open the upper cover. Drop a few dro

Page 5 - Specification

Contact Liquids Contact liquids are required to expel air between the measuring prism and gemstone under test. The contact liquid must be of a higher

Page 6

Typical Refractive Index values Gemstones Agate 1.544 - 1.553 Jade, Nephrite 1.600 - 1.641 Alexandrite 1.746 - 1.755 Jet 1.660 Almandine 1.750 -

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