chemical purity

chemical purity

[′kem·ə·kə ′pyu̇r·ə·dē]
(chemistry)
References in periodicals archive ?
9 will also enable NLMK Lipetsk to begin production of unique 'heavy' slabs of up to 400 mm in thickness and 2800 mm in width, which feature high chemical purity and structural homogeneity.
The cap's double seal design features a PTFE wad and self-sealing septum, helping to maintain chemical purity. ROMIL Ltd.
Calcium carbonates offer high chemical purity, a high degree of whiteness, a low refractive index, and low abrasiveness which makes them useful in the plastics industry.
Researchers will analyze the sample for chemical purity and plutonium-238 content to determine whether adjustments need to be made before scaling up the process.
The tantalum manufacturing capability features techniques for optimizing chemical purity to eliminate hidden dielectric defects that could continue to grow in the field, leading to capacitor failure.
Advanced [grades] are characterized by a high [Fe.sub.2][O.sub.3] content; exceptional chemical purity, fine grains and good dispersability; good tinting strength and color saturation; low color variation; and, low heavy metals content."
After consideration and testing these indicators, we suggested below ranking for them: Chemical purity with the weight of 0/384 was the most important and effective indicator, Zinter point in casting silica sand with the weight of 0/374 was the second, Clay percentage with the weight of 0/165 was the third and Acid Demand Value (ADV) with the weight of 0/087 was the fourth important indicator.
In the past, there have been a number of incidences where the chemical purity, concentration and/or sterility of inhalational compounds have been questioned.
"The chemical purity and inertness of quartz are essential to many lab applications," Horvath continues.
The mechanical performance and chemical purity of a medical seal used by an American company have been improved by switching from a conventional thermoplastic elastomer to a grade of specialist medical TPE from Teknor Apex.
Physical properties such as hardness, chemical purity, resistance to high temperatures and corrosion, and electrical insulation make structures composed of fused quartz ideal for various industries.

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