CN101046453A - 一种用碘量法测定金中提高结果准确度和精密度的方法 - Google Patents
一种用碘量法测定金中提高结果准确度和精密度的方法 Download PDFInfo
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- CN101046453A CN101046453A CN 200710101496 CN200710101496A CN101046453A CN 101046453 A CN101046453 A CN 101046453A CN 200710101496 CN200710101496 CN 200710101496 CN 200710101496 A CN200710101496 A CN 200710101496A CN 101046453 A CN101046453 A CN 101046453A
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- 239000010931 gold Substances 0.000 title claims abstract description 66
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 62
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 48
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 44
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000005303 weighing Methods 0.000 claims abstract description 11
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 5
- 239000000243 solution Substances 0.000 claims description 62
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 37
- 235000019345 sodium thiosulphate Nutrition 0.000 claims description 37
- 238000004448 titration Methods 0.000 claims description 34
- 239000000523 sample Substances 0.000 claims description 22
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 claims description 21
- 239000012086 standard solution Substances 0.000 claims description 18
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 14
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- 239000011550 stock solution Substances 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000011780 sodium chloride Substances 0.000 claims description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- 239000012490 blank solution Substances 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 6
- -1 gold ion Chemical class 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- LDDQLRUQCUTJBB-UHFFFAOYSA-O azanium;hydrofluoride Chemical compound [NH4+].F LDDQLRUQCUTJBB-UHFFFAOYSA-O 0.000 claims description 5
- 229910052573 porcelain Inorganic materials 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 4
- 229960000583 acetic acid Drugs 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000004380 ashing Methods 0.000 claims description 4
- 239000012362 glacial acetic acid Substances 0.000 claims description 4
- 238000001764 infiltration Methods 0.000 claims description 4
- 230000008595 infiltration Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- NICDRCVJGXLKSF-UHFFFAOYSA-N nitric acid;trihydrochloride Chemical compound Cl.Cl.Cl.O[N+]([O-])=O NICDRCVJGXLKSF-UHFFFAOYSA-N 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 238000010025 steaming Methods 0.000 claims description 4
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000012488 sample solution Substances 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 239000012224 working solution Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 abstract description 3
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 239000001103 potassium chloride Substances 0.000 abstract 1
- 235000011164 potassium chloride Nutrition 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 4
- 238000010304 firing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005375 photometry Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- 239000010421 standard material Substances 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical class [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 229910003771 Gold(I) chloride Inorganic materials 0.000 description 1
- 229910003803 Gold(III) chloride Inorganic materials 0.000 description 1
- 241000692870 Inachis io Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- RJHLTVSLYWWTEF-UHFFFAOYSA-K gold trichloride Chemical compound Cl[Au](Cl)Cl RJHLTVSLYWWTEF-UHFFFAOYSA-K 0.000 description 1
- 229940076131 gold trichloride Drugs 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
Description
样品名称 | 原子吸收法测定结果/g·t-1 | 本方法 | |
测定结果/g·t-1 | 相对标准偏差/% | ||
尾矿样 | 0.40(为八次测定结果的平均值) | 0.41,0.36,0.38,0.40,0.39,0.41,0.38,0.41,平均值:0.39 | 4.67 |
样品名称 | 国家标准物质提供值/g·t-1 | 本方法 | |
测定结果/g·t-1 | 相对标准偏差/% | ||
GBW07205 | 14.0±0.10 | 14.4,14.2,14.3,13.9,14.1,13.9,13.8,14.1平均值:14.09 | 1.49 |
样品名称 | 火法试金结果/g·t-1 | 本方法 | |
测定结果/g·t-1 | 相对标准偏差/% |
铜精矿 | 199.98(四次平均结果) | 203.42,198.95,201.71,202.55,200.87,199.10,平均值:201.10 | 0.90 |
Claims (2)
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CN2007101014961A CN101046453B (zh) | 2007-04-24 | 2007-04-24 | 一种用碘量法测定金中提高结果准确度和精密度的方法 |
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CN2007101014961A CN101046453B (zh) | 2007-04-24 | 2007-04-24 | 一种用碘量法测定金中提高结果准确度和精密度的方法 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101592644B (zh) * | 2009-06-27 | 2010-09-08 | 延长油田股份有限公司吴起采油厂 | 油田水中钡离子的测定方法 |
CN102226800A (zh) * | 2011-06-14 | 2011-10-26 | 白银有色集团股份有限公司 | 复杂粗铜样品的化学分析方法 |
CN103163092A (zh) * | 2013-03-13 | 2013-06-19 | 中国地质科学院矿产综合利用研究所 | 一种火焰原子吸收光谱法对铅精矿中金的快速测定方法 |
CN103308646A (zh) * | 2013-06-30 | 2013-09-18 | 白银有色集团股份有限公司 | 一种edta容量法测定铜渣、铜镉渣中锌、镉方法 |
CN103575668A (zh) * | 2012-08-02 | 2014-02-12 | 湖南东港锑品有限公司 | 一种用分光光度法测定含碳矿石中金含量的方法 |
CN104749172A (zh) * | 2013-12-31 | 2015-07-01 | 北京有色金属与稀土应用研究所 | 硫代硫酸钠滴定法测定铅金合金中金含量的方法 |
CN104749170A (zh) * | 2013-12-31 | 2015-07-01 | 北京有色金属与稀土应用研究所 | 用碘量法测定锡银铜焊料中铜的分析方法 |
CN110006987A (zh) * | 2019-05-06 | 2019-07-12 | 甘肃有色冶金职业技术学院 | 一种合金中金、钯、铂、铑、铱、钌的连续检测方法 |
CN111983137A (zh) * | 2020-08-13 | 2020-11-24 | 楚雄滇中有色金属有限责任公司 | 一种电子废弃物中铜的检测方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1031905A1 (ru) * | 1982-01-04 | 1983-07-30 | Предприятие П/Я В-2287 | Способ определени золота |
CN85105500A (zh) * | 1985-07-15 | 1987-01-14 | 福州市工业科学技术研究所 | 高含量黄金样品中金含量的快速测定法 |
-
2007
- 2007-04-24 CN CN2007101014961A patent/CN101046453B/zh active Active
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101592644B (zh) * | 2009-06-27 | 2010-09-08 | 延长油田股份有限公司吴起采油厂 | 油田水中钡离子的测定方法 |
CN102226800A (zh) * | 2011-06-14 | 2011-10-26 | 白银有色集团股份有限公司 | 复杂粗铜样品的化学分析方法 |
CN102226800B (zh) * | 2011-06-14 | 2014-06-18 | 白银有色集团股份有限公司 | 复杂粗铜样品的化学分析方法 |
CN103575668A (zh) * | 2012-08-02 | 2014-02-12 | 湖南东港锑品有限公司 | 一种用分光光度法测定含碳矿石中金含量的方法 |
CN103163092A (zh) * | 2013-03-13 | 2013-06-19 | 中国地质科学院矿产综合利用研究所 | 一种火焰原子吸收光谱法对铅精矿中金的快速测定方法 |
CN103308646A (zh) * | 2013-06-30 | 2013-09-18 | 白银有色集团股份有限公司 | 一种edta容量法测定铜渣、铜镉渣中锌、镉方法 |
CN104749172A (zh) * | 2013-12-31 | 2015-07-01 | 北京有色金属与稀土应用研究所 | 硫代硫酸钠滴定法测定铅金合金中金含量的方法 |
CN104749170A (zh) * | 2013-12-31 | 2015-07-01 | 北京有色金属与稀土应用研究所 | 用碘量法测定锡银铜焊料中铜的分析方法 |
CN104749172B (zh) * | 2013-12-31 | 2017-09-01 | 北京有色金属与稀土应用研究所 | 硫代硫酸钠滴定法测定铅金合金中金含量的方法 |
CN110006987A (zh) * | 2019-05-06 | 2019-07-12 | 甘肃有色冶金职业技术学院 | 一种合金中金、钯、铂、铑、铱、钌的连续检测方法 |
CN110006987B (zh) * | 2019-05-06 | 2021-09-21 | 甘肃有色冶金职业技术学院 | 一种合金中金、钯、铂、铑、铱、钌的连续检测方法 |
CN111983137A (zh) * | 2020-08-13 | 2020-11-24 | 楚雄滇中有色金属有限责任公司 | 一种电子废弃物中铜的检测方法 |
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Effective date of registration: 20240618 Address after: 810001 No. 54, 52 Avenue, Xining, Qinghai Patentee after: WESTERN MINING Co.,Ltd. Country or region after: China Patentee after: WESTERN MINING GROUP TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: Gan River Industrial Park in Qinghai province Xining city Huangzhong County 811600 Patentee before: Qinghai West Mining Technology Co.,Ltd. Country or region before: China |