Main production of fire assay crucible,alumna ceramic,zirconia ceramic.Also accept OEM and ODM.
Language
Main production of fire assay crucible,alumna ceramic,zirconia ceramic.Also accept OEM and ODM.
Always striving toward excellence, XTL has developed to be a market-driven and customer-oriented enterprise. We focus on strengthening the capabilities of scientific research and completing service businesses. We have set up a customer service department to better provide customers with prompt services including order tracking notice. fire-assay We have been investing a lot in the product R&D, which turns out to be effective that we have developed fire-assay. Relying on our innovative and hard-working staff, we guarantee that we offer customers the best products, the most favorable prices, and the most comprehensive services as well. Welcome to contact us if you have any questions.The product has no hazardous effect on personnel and the environment. It can guarantee the safety of the working environment and reduces environmental risk.
Clay crucible, as its name suggests, is made of clay. It has the characteristics of high corrosion resistance, strong thermal stability, high melting precision, large capacity, and good refractoriness and crack resistance. It is widely used in the field of laboratories in the international market.The main uses of clay crucibles are: precious metal analysis, laboratory testing, mineral testing, furnace testing, gold testing, 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% |
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
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.
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.
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.
In essence, a long-standing fire-assay organization runs on rational and scientific management techniques that were developed by smart and exceptional leaders. The leadership and organizational structures both guarantee that the business will offer competent and high-quality customer service.
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.
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.
BETTER TOUCH BETTER BUSINESS
Contact: Fanny
Tel.: +86 13975373343
Email:fanny@llxtl-china.com
WhatsApp：0086-13975373343 
Company address: Shentan Industrial Zone, Liling, Hunan, 412200
Copyright © 2022 Liling xing tai long special ceramic co.,ltd All Rights Reserved.