Way of processing of the painted diamonds or brilliants for |
| 04-14 09:50:32 来源： 作者： |
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Way of processing of the painted diamonds or brilliants for Inquiry (采购产品): Way of processing of the painted diamonds or brilliants for decolouration and removal of pressure Way of processing of the painted diamonds or brilliants for decolouration and removal of pressure. The invention concerns to processing diamonds and brilliants high pressures at high temperature and can be used at the enterprises processing diamonds, for decolouration and easing of pressure in crystals. Technical result of the invention is reduction of time of processing of diamonds and brilliants with their full decolouration and decrease in pressure, at preservation of their positive parameters available before processing. The specified technical result is achieved by that in a way of processing of the painted diamonds or brilliants for their decolouration and removal of additional pressure by physical influence in the closed reactionary volume on samples of diamonds or brilliants a high pressure and in temperature during time sufficient for improvement of their quality. Time of processing in this way from 60 minutes till 180 minutes depending on chromaticity and presence of defect of a crystal. Experimental examples of processing of samples are below resulted by declared way EXAMPLE # 1. In reactionary volume of the chamber of the high pressure filled with a graphite powder, have placed a brilliant in weight 2,0 ct with the jeweller characteristic of quality - 3, color - 7. The quantity of disperse nitrogen, also, has made 5-1018см3. Have created initial pressure. Heating was carried out by direct influence of a variable electric current on reactionary volume with a sample during 10 minutes up to working temperature. Then, capacity of heating have reduced by some value, further have increased. After 10 minute endurances at each mode of capacity, at the set speed of change of capacity of heating, have removed capacity of a current up to zero with same speed. After mechanical crushing hi termo tablet have taken a crystal decoloured. Characteristics have made: quality - 2, color - 4. Studying of sides in tenfold microscope has not revealed defects of polishing, as well as formation of cracks. The association of nitrogen has made 90 %. Time of processing 2,5 hours. EXAMPLE # 2. Entry conditions, as in an example # 1. In reactionary volume have placed a brilliant 3,0 ct with the characteristic of quality 2, colors 7. Processing made on algorithm of an example # 2. After mechanical crushing hi termo tablet, have taken a crystal completely decoloured. The characteristic has made: quality - 2, Color - 1. Studying of sides in tenfold microscope has not revealed defects of polishing, as well as increase in the sizes of microcracks. The association of nitrogen has made 99 %. Time of processing 1 hour. **** Hidden Message ***** Serg Grey 123456 RUS Company: * E-mail: netbit@list.ru **** Hidden Message ***** netbit@list.ru |
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