quimicos
>
...
>
Copela de fuego
(30)
La magnesia rápida de la absorción 6A 40g copela difícilmente para la prueba del fuego
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
100ml hueso Ash Crucible
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
Crisol afilado adaptable del grafito difícilmente para la fusión del oro
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
Fuego 9AS que prueba las copelas blancas lechosas de la magnesia para la fusión del oro
Precio: Negotiable
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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,... Ver más
➤ Visitar Sitio web
copelas de la magnesia 9A
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
Crisol afilado de Cupellation de la magnesia, fusión del oro de Ash Cupel Easy Operation For del hueso
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
Absorción rápida de prueba de los crisoles de la leyenda del fuego ligero 8A
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
copelas de la magnesia del análisis de fuego de la resistencia termal 7A para el óxido de magnesio
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
el alto análisis de fuego de la dureza 9A de 67m m copela para el análisis termal
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
Alto oro de fusión de la obstinacia 95m m Dia Fire Assay Crucible For
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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 ... Ver más
➤ Visitar Sitio web
Copela de fuego de la dureza del alto de la altura 165m m, Clay Graphite Crucible
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
fusión anti del oro de la copela de fuego de la corrosión del artículo de 90m m
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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. ... Ver más
➤ Visitar Sitio web
Hueso multiusos Ash Crucible For Thermal Analysis de 1 onza del laboratorio
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
Blanco lechoso industrial afilado de la copela de fuego de la altura 160m m
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
Hueso multifuncional Ash Cupel, copelas de 1350 grados del análisis de fuego confiables para la fundición
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
temperatura alta anti refractaria de la copela de fuego del diámetro de 85m m
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
Crisol de la copela del material refractario de la altura 150m m para el oro y la plata de fusión
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
Copela multifuncional de fuego del diámetro 120m m, blanco grande del crisol de Cupellation
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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... Ver más
➤ Visitar Sitio web
Dureza modificada para requisitos particulares de los crisoles de la leyenda del diámetro de 85m m alta tamaño pequeño
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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 ... Ver más
➤ Visitar Sitio web
Laboratorio multiusos de la copela de fuego de BD 55m m de forma de V
Precio: TO BE DISCUSS
MOQ: 100PCS
El tiempo de entrega: 15-40 days
Marca: ZEN
Destacar: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 ... Ver más
➤ Visitar Sitio web