Crogiolo assaggiatore di saggio del fuoco
(30)
La magnesia rapida di assorbimento 6A 40g coppella duro per la docimasia
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:40g Magnesia Cupels, 6A Magnesia Cupels
6A Magnesite Cupel 40g For Fire Assaying Magnesia cupels are very hard, which is an advantage in that they do not suffer so much breakage in shipment. They are always factory-made and are decidedly more expensive than bone-ash cupels, which may be home-made. Product Introduction 6A cupel 40g Magnesi... Visualizza di più
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100ml osso Ash Crucible
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:50mm bone ash crucible, 100ml bone ash crucible, 100ml quartz crucible
100ml Alumina Quartz Crucibles With Spout Fire assay it is a classical analytical method for applying metallurgical principles and techniques to analytical chemistry. To test the content of precious metals in minerals and metal products determined by melting and roasting. Chemical Composition SiO2 3... Visualizza di più
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Crogiolo affusolato personalizzabile della grafite duro per la fusione dell'oro
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:customizable graphite crucible for gold melting, tapered graphite crucible for gold melting
Fire Assay Crucible For Gold Assaying Method details for various fire assay procedures vary, but concentration and separation chemistry typically comply with traditions set by Bugby or Shepard & Dietrich in the early 20th century. Method advancements since that time primarily automate material h... Visualizza di più
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Coppelle bianche lattee della magnesia di docimasia 9AS per la fusione dell'oro
Prezzo: Negotiable
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:9AS Magnesia Cupels, Magnesia Cupels
9AS Magnesium Oxide Cupel For Gold Melting Application : It's widely used in Fire Assaying,Gold Assaying Thransport: Air transport: 5-9 days; Ocean shipping: About one month. Delivery Time: 1. Stock:delivery within 3-5 days after receiving your payment. 2. OEM/ODM:The normal Lead time is 15-40 days,... Visualizza di più
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coppelle della magnesia 9A
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:42mm Magnesia Cupels, 9A Magnesia Cupels, 9A legend crucibles
9A Magnesium Oxide Crucible for fire assaying Cupellation on Cupels of Material other than Bone-ash , a large number of cupels made of materials other than bone-ash (mainly magnesia) are now supplied for assay purposes, it is well to point out that during cupellation there is a considerable differen... Visualizza di più
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Crogiolo affusolato di Cupellation della magnesia, fusione dell'oro di Ash Cupel Easy Operation For dell'osso
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:Magnesia cupellation crucible, tapered cupellation crucible, tapered bone ash cupel
Magnesia Cupels Crucibles For Gold Melting Professional megnesia cupels manufacturer and factory . Stable quality and good prices . Can produce and customize according customers' drawings It is necessary in the case of magnesia cupels to employ a slightly higher temperature during the cupellation an... Visualizza di più
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Assorbimento rapido di docimasia 8A dei crogioli leggeri di leggenda
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:8A legend crucibles, Fire Assaying legend crucibles
8A Fire Assaying Magnesia Cupels Cupels. — A cupel is a porous cylinder or inverted-cone frustum of refractory material with a cupped depression in the upper end for retaining the lead button.In modern practice, cupels are made of bone ash, cement, bone-ash-cement mixtures, or magnesia. Magnesia cup... Visualizza di più
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coppelle della magnesia di saggio del fuoco di resistenza termica 7A per l'ossido di magnesio
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:thermal resistance Magnesia Cupels, Fire Assay Magnesia Cupels
7A Fire Assay Cupels Magnesium Oxide Cupel Smelting Pot Crucible 7a 50g cupel is best seller for fire assaying ,Bone-ash cupel, mean specific heat between 15º and 100º C is 0.185. Magnesia cupel, mean specific heat for same temperatures is 0.215. Product Introduction 7A fire assay magnesia cupels cr... Visualizza di più
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alte coppelle di saggio del fuoco di durezza 9A di 67mm per analisi termica
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:9A fire assay cupels, High Hardness fire assay cupels
High Hardness 9A Magnesia Cupels Fire assay it is a classical analytical method for applying metallurgical principles and techniques to analytical chemistry. To test the content of precious metals in minerals and metal products determined by melting and roasting. Top Diameter:51mm or 56mm Bottom Dia... Visualizza di più
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Alto oro di fusione di refrattarietà 95mm Dia Fire Assay Crucible For
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:95mm Fire Assay Crucible, high Refractoriness Fire Assay Crucible, high Refractoriness crucible for melting gold
Fire Assay Crucible For Gold Melting And Laboratory Test Features: 1. Long Lasting, can be used many times; 2. Can withstand repetitive thermal shocks from 1300 degree Celsius degree to room temperature; 3. Special formula,curing and pressing process; 4. Can withstand extremely corrosive fire assay ... Visualizza di più
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Alto crogiolo assaggiatore di saggio del fuoco di durezza di altezza 165mm, Clay Graphite Crucible
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:165mm Fire Assay Crucible, high hardness Fire Assay Crucible, 165mm clay graphite crucible
Clay Crucible for Gold Assaying Fire assay crucible widely used in mining laboratories, Metallurgical Plant, and other areas of metal sample analysis. Our fire assay crucible seletion high quality alumina bauxite, mullite, kaolin as raw material with scientific formul and advanced technology. Very l... Visualizza di più
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fusione dell'oro del crogiolo assaggiatore di saggio del fuoco di corrosione del bene durevole di 90mm anti
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:90mm Fire Assay Crucible, High casting density Fire Assay Crucible
Durable Gold Melting Fire Assay Crucibles Ore from the mine, or exploration sampling program is scientifically sampled using a statistically accurate method fitting the desired accuracy, it is then prepared by crushing, splitting and pulverizing. This is a process referred to as sample preparation. ... Visualizza di più
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Un osso multiuso Ash Crucible For Thermal Analysis da 1 oncia del laboratorio
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:Multipurpose bone ash crucible, 1 ounce bone ash crucible
Gold Melting Crucible Fire Assay Crucible The most common unit of fire assay samples is called the Assay Ton, which is 29.166 grams of ore. A milligram (0.001) gram of gold in a sample weighing 29.166 grams gives an assay equivalent to 1 troy ounce of gold in a ton (2,000 pound) of ore. A troy ounce... Visualizza di più
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Bianco latteo affusolato di industriale del crogiolo assaggiatore di saggio del fuoco di altezza 160mm
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:tapered Fire Assay Crucible, 160mm Fire Assay Crucible
Industrial Fire Assay Ceramic Crucible Features: 1. Long Lasting, can be used many times; 2. Can withstand repetitive thermal shocks from 1300 degree Celsius degree to room temperature; 3. Special formula,curing and pressing process; 4. Can withstand extremely corrosive fire assay environments; 5. H... Visualizza di più
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Un osso multifunzionale Ash Cupel, coppelle da 1350 gradi di saggio del fuoco affidabili per fusione
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:multifunctional bone ash cupel, 1350 degree bone ash cupel, multifunctional fire assay cupels
Clay Fire Assay Crucibles And Magnesite Cupels In the bullion fire assay process, a sample from the article is wrapped in a lead foil with copper and silver. The wrapped sample, along with prepared control samples, heated at 1650 F (temperature varies with exact method) in a cupel made of compressed... Visualizza di più
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temperatura elevata refrattaria del crogiolo assaggiatore di saggio del fuoco del diametro di 85mm anti
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:85mm Fire Assay Crucible, Refractory Fire Assay Crucible, Refractory ceramic crucible for melting gold
Refractory Clay Fire Assay Crucible Some assay methods are suitable for raw materials; others are more appropriate for finished goods. Raw precious metals (bullion) are assayed by an assay office. Silver is assayed by titration, gold by cupellationand platinum by inductively coupled plasma optical e... Visualizza di più
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Crogiolo della coppella del refrattario di altezza 150mm per oro ed argento di fusione
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:Refractory cupel crucible, 150mm cupel crucible, 150mm crucible for melting gold and silver
Fire Assay Crucible For Gold Assaying The distribution of gold seems to validate the theory that gold was carried toward the Earth's surface from great depths by geologic activity, perhaps with other metals as a solid solution within molten rock. After this solid solution cooled, its gold content wa... Visualizza di più
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Crogiolo assaggiatore di saggio del fuoco multifunzionale del diametro 120mm, bianco del crogiolo di Cupellation grande
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:multifunctional Fire Assay Crucible, 120mm Fire Assay Crucible, multifunctional cupellation crucible
Large Crucible for Gold Assaying Fire assay crucibles have a higher than normal resistency to cracking under fire assay conditions. Our crucibles and refractory products are used in laboratories throughout international marketplace. Widely used in mining laboratories,Metallurgical plant,and other ar... Visualizza di più
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Piccola dimensione su misura di durezza dei crogioli di leggenda del diametro di 85mm alta
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:customized legend crucibles, 85mm legend crucibles
Fire Assay Small Crucibles For Gold Melting Precious metal items of art or jewelry are frequently hallmarked (depending upon the requirements of the laws of either the place of manufacture or the place of import). Where required to be hallmarked, semi-finished precious metal items of art or jewelry ... Visualizza di più
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Laboratorio multiuso del crogiolo assaggiatore di saggio del fuoco del BD 55mm a forma di V
Prezzo: TO BE DISCUSS
MOQ: 100PCS
Tempo di consegna: 15-40 days
Marca: ZEN
Evidenziare:55mm Fire Assay Crucible, Multipurpose Fire Assay Crucible
Fire Assay Crucible For Melting Gold For fire assaying ores, usually fluxes, materials such as borax, soda, silica are added to the ore. The amounts of each chemical added to the flux mixture depends upon the elements present in the particular ore, such as sulfur and iron. Usually lead, in the form ... Visualizza di più
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