Main production of fire assay crucible,alumna ceramic,zirconia ceramic.Also accept OEM and ODM.
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Main production of fire assay crucible,alumna ceramic,zirconia ceramic.Also accept OEM and ODM.
Guided by scientific and technological innovation, XTL always keeps outward-oriented and sticks to the positive development on the basis of technological innovation. fire-assay If you are interested in our new product fire-assay and others, welcome you to contact us.The product is temperature resistant. It is used in high-temperature applications without affecting its physical or chemical properties.
Clay crucible is mainly used for smelting gold, silver, copper, iron and other metals. It is one of the indispensable chemical instruments for fire test gold experiment, mining laboratory, laboratory detection, mineral analysis, etc.
Drill core samples (or others) are received at the laboratory, crushed, milled and dried in the oven. Samples are then separated into bags, tagged and weighed.
Next, the samples are prepared for the fusion process, which requires a reducing environment and so the samples are mixed with flux, a carbon source (coal dust) and litharge (PbO).
The samples are then placed into a fusion/ refractory crucible, ready to go into the furnace. The high tempareture (1000 – 1200°C) melts the sample while the flux fuses with the gangue (non-precious material) and the now liquid lead collects all the precious metals. The newly-formed Pb-Au-Ag-PGE concoction migrates to the bottom of the crucible due to its high density.
As cooled lead sample is then separated from the glass waste (slag) with a hammer, and placed in a porous bone ash (MgO) crucible, ready for the cupellation step.
The sample is then placed in a muffle furnace at around 1000°C. The lead oxidises with the aid of the inflowing air from the furnace muffle and then immediately melts and is absorbed into the crucible, leaving behind what is known as a precious metal prill.
The prill is then analysed for its precious metal content through dissolving it in aqua regia (a mixture of hydrochloric and nitric acid) and the concentrations determined by spectroscopic methods (AAS, ICPAES, ICPMS).
Eventual detection limits are in the region of parts per billion but accuracy is usually in the region of 3 -5% for this metallurgical analytical technique.
Chemical Composition
SiO2 | 54.6% |
Al2O3 | 40.31% |
Fe2O3 | 1.11% |
TiO2 | 0.47% |
CaO | 1.28% |
MgO | 0.34% |
K2O | 0.61% |
Na2O | 0.39% |
L.O.I(loss on ignition) | 0.21% |
Feature:
High precision: high purity, not easy to corrode, no slag hanging;
Strong refractoriness: high refractory temperature 1300°C;
High molding density, impermeable, resistant to rapid cooling and heat, not easy to crack.
Applications
Precious Metal Analysis
Mining Laboratory
Laboratory Testing
Mineral Assaying
Fire Assaying
Gold Assaying
Item: | Fire assay crucible |
Process Type: | Rolling molding |
Material: | SiO2 + Al2O3 |
Tolerance: | +-2mm |
Facility: | Automatic molding equipment |
Certificates: | ISO 9001 SGS |
Shipping: | Many stocks , delivery time around 5-10days . by sea or by air as customer request |
Delivery & Service: | Timely delivery each time. Provide reliable service and responsible for each customer with each product. Our target is to satisfy every customer with the best service. |
Item | OD (mm) | Height (mm) | Capacity (ml) | Wooden Case Dimension (mm) | Qty/Case (pc) | Qty/20’FCL (pc) |
XTL-30g | 88 | 110 | 250 | 1070*1070*1080 | 2310 | 46200 |
XTL-40g | 88 | 135 | 350 | 1110*1070*1080 | 1980 | 39600 |
XTL-45g | 88 | 160 | 500 | 1080*1170*1080 | 1296 | 25920 |
XTL-45g | 90 | 155 | 680 | 1140*1030*1120 | 1296 | 25920 |
XTL-50g | 105 | 150 | 700 | 1140*1030*1120 | 1530 | 30600 |
XTL-65g | 105 | 165 | 720 | 1140*1030*1120 | 1425 | 28500 |
XTL-75g | 120 | 160 | 750 | 1080*1170*1080 | 900 | 18000 |
7000 square meters work shop
Automatic production line
Longer working life
If you have another questions,please feel free to contact us.
Liling Xing Tai Long Special Ceramic Co.,Ltd
Contact: Fanny
Tel: +86 13975373343
0086-0731-23253338
Email: admin@llxtl-china.com
WhatsApp：0086-13975373343
Company address: Shentan Industrial Zone, Liling, Hunan, 412200
To draw in more users and consumers, industry innovators are continually developing its qualities for a larger range of application scenarios. Additionally, it can be customized for clients and has a reasonable design, all of which help grow the customer base and loyalty.
Yes, if asked, we will supply relevant technical details regarding XTL. Basic facts about the products, such as their primary materials, specs, forms, and primary functions, are readily available on our official website.
Liling xing tai long special ceramic co.,ltd always considers communicating through phone calls or video chat the most time-saving yet convenient way, so we welcome your call for asking for the detailed factory address. Or we've displayed our e-mail address on the website, you are free to write an E-mail to us about the factory address.
The buyers of fire-assay come from many businesses and nations around the world. Before they begin working with the manufacturers, some of them may reside thousands of miles away from China and have no knowledge of the Chinese market.
Regarding the attributes and functionality of the fire-assay, it is a kind of product that will always be in vogue and offer consumers limitless benefits. It can be a long-lasting friend for people because it is constructed from high-quality raw materials and has a lengthy lifespan.
The application of the QC process is crucial for the quality of the final product, and every organization needs a strong QC department. fire-assay QC department is committed to continual quality improvement and focuses on ISO Standards and quality assurance procedures. In these circumstances, the procedure may go more easily, effectively, and precisely. Our excellent certification ratio is a result of their dedication.
We are committed to producing the best quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.
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Contact: Fanny
Tel.: +86 13975373343
Email:fanny@llxtl-china.com
WhatsApp：0086-13975373343 
Company address: Shentan Industrial Zone, Liling, Hunan, 412200
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