OA11913A - Assaying. - Google Patents

Assaying. Download PDF

Info

Publication number: OA11913A
Authority: OA; OAPI
Prior art keywords: lead; sample; réceptacle; flux; container
Prior art date: 1998-10-29

Application number

OA00100105A

Other languages

English (en)

Inventor

Willem Hendrik Brits

Original Assignee

Ferstol Invest And Trade Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1998-10-29

Filing date

1999-10-29

Publication date

2006-04-10

1999-10-29 Application filed by Ferstol Invest And Trade Inc filed Critical Ferstol Invest And Trade Inc

2006-04-10 Publication of OA11913A publication Critical patent/OA11913A/en

Links

230000004907 flux Effects 0.000 claims abstract description 73
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 72
238000000034 method Methods 0.000 claims abstract description 57
239000002893 slag Substances 0.000 claims abstract description 38
230000004927 fusion Effects 0.000 claims abstract description 16
238000010438 heat treatment Methods 0.000 claims abstract description 10
238000002844 melting Methods 0.000 claims description 51
230000008018 melting Effects 0.000 claims description 51
230000006698 induction Effects 0.000 claims description 31
239000000203 mixture Substances 0.000 claims description 27
238000003556 assay Methods 0.000 claims description 25
235000011121 sodium hydroxide Nutrition 0.000 claims description 23
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 22
229940083608 sodium hydroxide Drugs 0.000 claims description 17
239000000463 material Substances 0.000 claims description 16
QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 14
239000004033 plastic Substances 0.000 claims description 14
229920003023 plastic Polymers 0.000 claims description 14
229910052726 zirconium Inorganic materials 0.000 claims description 14
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
235000010216 calcium carbonate Nutrition 0.000 claims description 11
229910000019 calcium carbonate Inorganic materials 0.000 claims description 11
229960003563 calcium carbonate Drugs 0.000 claims description 10
229910002804 graphite Inorganic materials 0.000 claims description 10
239000010439 graphite Substances 0.000 claims description 10
YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims description 10
229910000464 lead oxide Inorganic materials 0.000 claims description 9
230000004888 barrier function Effects 0.000 claims description 6
229910021538 borax Inorganic materials 0.000 claims description 6
SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 6
239000004328 sodium tetraborate Substances 0.000 claims description 6
235000010339 sodium tetraborate Nutrition 0.000 claims description 6
229910052751 metal Inorganic materials 0.000 claims description 5
239000002184 metal Substances 0.000 claims description 5
150000002739 metals Chemical class 0.000 claims description 4
229910001961 silver nitrate Inorganic materials 0.000 claims description 3
239000007787 solid Substances 0.000 claims description 3
239000003575 carbonaceous material Substances 0.000 claims description 2
CVRALZAYCYJELZ-UHFFFAOYSA-N O-(4-bromo-2,5-dichlorophenyl) O-methyl phenylphosphonothioate Chemical compound C=1C=CC=CC=1P(=S)(OC)OC1=CC(Cl)=C(Br)C=C1Cl CVRALZAYCYJELZ-UHFFFAOYSA-N 0.000 claims 1
SGPGESCZOCHFCL-UHFFFAOYSA-N Tilisolol hydrochloride Chemical compound [Cl-].C1=CC=C2C(=O)N(C)C=C(OCC(O)C[NH2+]C(C)(C)C)C2=C1 SGPGESCZOCHFCL-UHFFFAOYSA-N 0.000 claims 1
229960001516 silver nitrate Drugs 0.000 claims 1
230000008569 process Effects 0.000 abstract description 28
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 21
239000010931 gold Substances 0.000 abstract description 20
229910052737 gold Inorganic materials 0.000 abstract description 20
238000002156 mixing Methods 0.000 abstract description 4
238000004458 analytical method Methods 0.000 description 12
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 8
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
-1 platinum group metals Chemical class 0.000 description 7
WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 7
239000004743 Polypropylene Substances 0.000 description 6
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
229920001155 polypropylene Polymers 0.000 description 6
238000004090 dissolution Methods 0.000 description 5
239000004698 Polyethylene Substances 0.000 description 4
230000008901 benefit Effects 0.000 description 4
229910010293 ceramic material Inorganic materials 0.000 description 4
229910052763 palladium Inorganic materials 0.000 description 4
229910052697 platinum Inorganic materials 0.000 description 4
229920000573 polyethylene Polymers 0.000 description 4
229910052703 rhodium Inorganic materials 0.000 description 4
239000010948 rhodium Substances 0.000 description 4
MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 4
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
238000000608 laser ablation Methods 0.000 description 3
XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 3
239000000377 silicon dioxide Substances 0.000 description 3
238000003860 storage Methods 0.000 description 3
OYPRJOBELJOOCE-IGMARMGPSA-N Calcium-40 Chemical compound [40Ca] OYPRJOBELJOOCE-IGMARMGPSA-N 0.000 description 2
MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
238000002679 ablation Methods 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
239000000919 ceramic Substances 0.000 description 2
239000004927 clay Substances 0.000 description 2
238000001816 cooling Methods 0.000 description 2
239000007789 gas Substances 0.000 description 2
231100001261 hazardous Toxicity 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000000155 melt Substances 0.000 description 2
230000003287 optical effect Effects 0.000 description 2
239000010970 precious metal Substances 0.000 description 2
150000004760 silicates Chemical class 0.000 description 2
239000000126 substance Substances 0.000 description 2
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
239000005864 Sulphur Substances 0.000 description 1
240000008042 Zea mays Species 0.000 description 1
235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
235000002017 Zea mays subsp mays Nutrition 0.000 description 1
230000009471 action Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
239000010953 base metal Substances 0.000 description 1
230000036765 blood level Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
150000001721 carbon Chemical class 0.000 description 1
238000011109 contamination Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
239000000428 dust Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
235000013312 flour Nutrition 0.000 description 1
239000003517 fume Substances 0.000 description 1
229910052738 indium Inorganic materials 0.000 description 1
APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 1
235000009973 maize Nutrition 0.000 description 1
235000012054 meals Nutrition 0.000 description 1
238000005065 mining Methods 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
229910000008 nickel(II) carbonate Inorganic materials 0.000 description 1
ZULUUIKRFGGGTL-UHFFFAOYSA-L nickel(ii) carbonate Chemical compound [Ni+2].[O-]C([O-])=O ZULUUIKRFGGGTL-UHFFFAOYSA-L 0.000 description 1
229910052762 osmium Inorganic materials 0.000 description 1
SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
229920000728 polyester Polymers 0.000 description 1
238000011084 recovery Methods 0.000 description 1
239000002699 waste material Substances 0.000 description 1
238000005303 weighing Methods 0.000 description 1

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
- G01N33/205—Metals in liquid state, e.g. molten metals
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
- G01N33/202—Constituents thereof
- G01N33/2028—Metallic constituents

Landscapes

Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Biochemistry (AREA)
Food Science & Technology (AREA)
Medicinal Chemistry (AREA)
Physics & Mathematics (AREA)
Analytical Chemistry (AREA)
Engineering & Computer Science (AREA)
General Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Pathology (AREA)
Sampling And Sample Adjustment (AREA)
Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Investigating Or Analyzing Materials Using Thermal Means (AREA)

OA00100105A 1998-10-29 1999-10-29 Assaying. OA11913A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
ZA989866		1998-10-29
ZA989867		1998-10-29
ZA991831		1999-03-08

Publications (1)

Publication Number	Publication Date
OA11913A true OA11913A (en)	2006-04-10

Family

ID=27421007

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
OA00100105A OA11913A (en)	1998-10-29	1999-10-29	Assaying.

Country Status (7)

Country	Link
US (1)	US7025936B1 (fr)
AP (1)	AP1725A (fr)
AU (1)	AU770839B2 (fr)
CA (1)	CA2348522C (fr)
ID (1)	ID28840A (fr)
OA (1)	OA11913A (fr)
WO (1)	WO2000026664A2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7066981B2 (en)	2000-07-12	2006-06-27	Innovative Met Products (Pty) Limited	Assaying method
CA2414524C (fr) *	2000-07-12	2010-11-30	Innovative Met Products (Pty) Limited	Methode de titrage
GB2450896A (en) *	2007-07-10	2009-01-14	Anglo American Platinum Corp	Separating apparatus and method for assaying
JP5362785B2 (ja) *	2011-07-28	2013-12-11	Ｊｘ日鉱日石金属株式会社	鉛ボタンの処理装置及び鉛ボタンの処理方法
CN106457241B (zh) *	2014-03-21	2019-04-09	环境捷运股份有限公司	聚合物总溶解固体容器
CN107998951B (zh) *	2017-12-05	2023-08-08	北矿检测技术股份有限公司	一种火试金用封闭式自动搅样机
JP7229849B2 (ja) *	2018-05-28	2023-02-28	三井金属鉱業株式会社	貴金属の分析方法
CN112147298B (zh) *	2020-09-27	2022-10-25	长春黄金研究院有限公司	一种用于火试金混料、熔样、灰吹的自动化操作方法
CN113552311A (zh) *	2021-06-17	2021-10-26	江西省地质调查研究院	一种含金矿样金含量的分析方法
CN114226550B (zh) *	2021-12-24	2024-10-08	深圳市金弘珠宝首饰有限公司	一种火试金样品自动制备装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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US259282A (en) *		1882-06-06		Crucible
US862008A (en) *	1907-05-02	1907-07-30	Gustav Nebel	Separating-pot.
US2479641A (en) *	1945-05-28	1949-08-23	John J Ripich	Crucible
NL140437B (nl) *	1968-10-31	1973-12-17	Balzers Patent Beteilig Ag	Verbetering van een vacuuemoven voor het onderzoeken van monsters.
SE326134B (fr) *	1969-03-27	1970-07-13	Rigello Pak Ab
US3793155A (en) *	1969-12-22	1974-02-19	Little Inc A	Apparatus for monitoring the oxygen content of a molten metal
CH530003A (de) *	1970-07-15	1972-10-31	Balzers Patent Beteilig Ag	Zwischen zwei Stromzuführungselektroden einspannbare, durch direkten Stromdurchgang beheizbare, aus Unterteil und Deckel bestehende Probenkapsel aus Graphit zur Untersuchung von Proben nach dem Heissextraktionsverfahren
US4029302A (en) *	1974-06-06	1977-06-14	Kloeckner-Humboldt-Deutz Ag	Device for separation of mixtures of at least partially molten metals and/or metallic compounds into at least two phases of different density
US4113241A (en) *	1977-09-22	1978-09-12	Swiss Aluminium Ltd.	Apparatus for the filtration of molten metal in a crucible type furnace
US4238450A (en) *	1979-02-21	1980-12-09	Leco Corporation	Crucible loading-unloading system
US4444377A (en) *	1982-07-14	1984-04-24	Daniel E. Groteke	Molten metal transfer crucible
US4799999A (en) *	1987-03-31	1989-01-24	Tri Electronics Company, Inc.	Dynamic precious metal assay method
US4979189A (en) *	1989-08-18	1990-12-18	National Semiconductor Corporation	Self-timing qualification channel
GB9012533D0 (en) *	1990-06-05	1990-07-25	Johnson Matthey Plc	Glass composition
US5472173A (en) *	1990-07-31	1995-12-05	Industrial Maintenance And Contract Services	Slag control method and apparatus
US5238485A (en) *	1991-01-18	1993-08-24	Shubert Roland H	Method for the assay and recovery of precious metals
JP3004523U (ja) *	1994-05-24	1994-11-22	有限会社日本サブランスプローブエンジニアリング	溶融金属の熱分析用試料採取容器
ZA964419B (en) *	1995-06-07	1996-12-09	Molten Metal Tech Inc	Monitoring concentration of molten bath components
US6002734A (en) *	1997-07-22	1999-12-14	Steinman; Don K.	Method and systems for gold assay in large ore samples

1999
- 1999-10-29 CA CA002348522A patent/CA2348522C/fr not_active Expired - Fee Related
- 1999-10-29 US US09/830,855 patent/US7025936B1/en not_active Expired - Fee Related
- 1999-10-29 AU AU63607/99A patent/AU770839B2/en not_active Ceased
- 1999-10-29 ID IDW00200101148A patent/ID28840A/id unknown
- 1999-10-29 OA OA00100105A patent/OA11913A/en unknown
- 1999-10-29 AP APAP/P/2001/002144A patent/AP1725A/en active
- 1999-10-29 WO PCT/IB1999/001747 patent/WO2000026664A2/fr not_active Ceased

Also Published As

Publication number	Publication date
AP1725A (en)	2007-02-28
WO2000026664A3 (fr)	2000-08-31
CA2348522C (fr)	2009-07-28
ID28840A (id)	2001-07-05
WO2000026664A2 (fr)	2000-05-11
US7025936B1 (en)	2006-04-11
AU770839B2 (en)	2004-03-04
CA2348522A1 (fr)	2000-05-11
AU6360799A (en)	2000-05-22

Publication	Publication Date	Title
OA11913A (en)	2006-04-10	Assaying.
CA1074128A (fr)	1980-03-25	Recuperation sans flux de l'aluminium metallique contenu dans les dechets
NO822638L (no)	1982-08-02	Metallgjenvinningsprosess og drossoppsamlingsbeholder
CA2112605A1 (fr)	1994-08-19	Methode de dosage des metaux precieux par affinage au feu
AU2001272037B2 (en)	2005-07-07	Method and apparatus for the assay of precious metals
GB1527321A (en)	1978-10-04	Fusion and dissolution machine
ZA200103409B (en)	2001-11-07	Assaying.
US5238485A (en)	1993-08-24	Method for the assay and recovery of precious metals
US5762675A (en)	1998-06-09	Method relating to the preparation of amorphous samples and means therefor
AU713552B2 (en)	1999-12-02	A method relating to the preparation of amorphous samples and means therefor
US4372543A (en)	1983-02-08	Cupel
Gutierrez P et al.	2015	Analysis of the sulfur decoppering from molten lead by powder injection
Grecu et al.	1988	Comparative Characterization of Various Slag Types Utilized in ESR-Process
Siddaiah et al.	1997	Preconcentration of noble metals in geological and environmental samples: A nickel sulfide mini-bead technique
Lodge	1908	Notes on assaying and metallurgical laboratory experiments
Yudie et al.	1996	Viscosities of synthetic slags in the soda-borax-silica glass system
Julietti et al.	1981	Versatile fusion method for the dissolution of refractory materials
SU730822A1 (ru)	1980-04-30	Способ выплавки ферровольфрама
SU1458407A1 (ru)	1989-02-15	Способ переработки сульфидсодержащих вольфрамовых концентратов
Yuan et al.	1996	Density of synthetic slags in soda-borax-silica glass system
Dan et al.	1985	Chemical Composition of Inclusions Observed in High-Purity Iron Ingots Melted in an Alumina Crucible
RU1451989C (ru)	1995-09-10	Способ получения гранулированного материала из магния и его сплавов
Doronin et al.	1988	The Influence of Factors on the Formation of the Defect Known as" Crown" in Vacuum Arc Remelted Ingots
CA2115013C (fr)	1999-06-29	Procede servant a extraire l'aluminium d'un minerai
Kocur et al.	1984	Obtaining Non-ferrous Metals From Bimetallic Scrap From Manufacture of Bearings by Melting-Out in a Crucible Furnace