<table cellspacing="1" cellpadding="2" width="80%" align="center"><tbody><tr><td>Testing items </td><td>Value </td></tr><tr><td>Appearance </td><td></td></tr><tr><td>Purity % </td><td></td></tr><tr><td>Moisture% </td><td></td></tr><tr><td>Index of refraction nD20 </td><td>1.3867-1.3887</td></tr><tr><td></td><td>0.678</td></tr></tbody></table>