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.
With strong R&D strength and production capabilities, XTL now has become a professional manufacturer and reliable supplier in the industry. All our products including Fire Assay Crucibles manufacturers & suppliers are manufactured based on the strict quality management system and international standards. Fire Assay Crucibles manufacturers & suppliers Having devoted a lot to product development and service quality improvement, we have established a high reputation in the markets. We promise to provide every customer throughout the world with prompt and professional service covering the pre-sales, sales, and after-sales services. No matter where you are or what business you are engaged in, we'd love to help you deal with any issue. If you want to know more details about our new product Fire Assay Crucibles manufacturers & suppliers or our company, feel free to contact us.The hardness, surface gloss, and the conductive properties of this product are decided by the nature of the chemical bond.
A crucible is a container or melting tank made of extremely refractory materials, such as clay, graphite, china clay or relatively refractory metals, mainly used for evaporation, concentration or crystallization of solutions, and burning of solid substances.
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
Regarding the attributes and functionality of the Fire Assay Crucibles manufacturers & suppliers, 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.
The buyers of Fire Assay Crucibles manufacturers & suppliers 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.
In essence, a long-standing Fire Assay Crucibles manufacturers & suppliers 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.
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.
Regarding the attributes and functionality of the Fire Assay Crucibles manufacturers & suppliers, 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.
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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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