Description
Specifications Table
Product Name – Bismuth polycrystalline lump, Puratronic™, 99.998% (metals basis) Quantity/Pack Size – 100g, 500g, 2kg Form – Polycrystalline lump Grade – Puratronic™ (99.998% metals basis) Application – High-purity applications, semiconductor research, alloy preparation
Product Overview
This Puratronic™ Bismuth polycrystalline lump offers exceptional purity at 99.998% (metals basis), making it a superior choice for applications demanding ultra-low impurity levels. The polycrystalline form ensures consistent material properties, while the high-grade specification guarantees reliability in sensitive experimental setups. Bismuth’s unique characteristics, including its low toxicity and high diamagnetic properties, make this product particularly valuable in specialized research environments. The lump form provides versatility for custom processing or direct use in various experimental protocols. Each batch undergoes rigorous quality control to maintain the stringent purity standards associated with the Puratronic™ grade, ensuring reproducible results in critical applications. The material’s high density and thermal stability further enhance its utility across diverse laboratory procedures. This product represents an optimal balance between purity, form, and practical application, meeting the exacting requirements of modern research facilities.
FAQs
1. What is the significance of the 99.998% purity level in this Bismuth product?
The 99.998% purity level indicates that this Bismuth contains only 0.002% impurities, making it suitable for applications where even trace contaminants could affect results. This ultra-high purity is particularly important in semiconductor research, advanced material synthesis, and other precision applications where material characteristics must be precisely controlled.
2. How does the polycrystalline form differ from other Bismuth forms?
The polycrystalline form consists of multiple crystallites or grains, unlike single crystals which have a continuous lattice structure. This form offers more isotropic properties and better mechanical stability, making it easier to handle and process for various applications while maintaining consistent material characteristics throughout the sample.
3. What quality control measures are applied to this Puratronic™ grade Bismuth?
Puratronic™ grade materials undergo multiple analytical techniques including inductively coupled plasma mass spectrometry (ICP-MS) and glow discharge mass spectrometry (GDMS) to verify purity levels. The production process includes multiple purification steps and is conducted in controlled environments to prevent contamination during manufacturing and packaging.
4. Are there any special handling requirements for this high-purity Bismuth?
While Bismuth is generally stable, this high-purity form should be handled with clean tools in a controlled environment to prevent contamination. Storage in a dry, inert atmosphere is recommended to maintain purity. The material should be kept away from strong oxidizing agents and should not be exposed to moisture for extended periods.
5. What are the typical physical properties of this Bismuth polycrystalline lump?
This Bismuth exhibits characteristic properties including a density of approximately 9.78 g/cm³, a melting point of 271.5°C, and excellent diamagnetic behavior. The polycrystalline structure provides good thermal and electrical conductivity while maintaining mechanical stability. The material also demonstrates low toxicity compared to other heavy metals, making it safer for handling in laboratory environments.










