Sentence examples similar to impurity grade from inspiring English sources
Different varieties of coal arise because of differences in the kinds of plant material (coal type), degree of coalification (coal rank), and range of impurities (coal grade).
The principal impurity in Grade-A helium is neon.
In conducting the investigation, three grades of Zn 22% Al were used; grades 1 and 2 contain 180 and 100 p.p.m. of impurities, respectively, whereas grade 3 is a high-purity grade containing 6 p.p.m. of impurities.
A soil bacterium Paenibacillus polymyxa was recently shown to selectively remove calcium and iron impurities from low grade bauxite (<50% Al), for abrasive and refractory applications, respectively.
From combined results, it is fair to say PPA is indeed less destructive to remove the undesired impurities from commercial grade SWCNTs.
On the basis of the results, it was confirmed that this medium could efficiently remove persisted carbonaceous and metallic impurities in commercial grade SWCNTs with or without little damage to their framework.
The precise anode and cathode potentials for each step are determined from the impurity concentrations in metallurgical-grade silicon and the target impurity concentrations for solar-grade silicon.
However, impurities in the technical grade ODE resulted in the evolution of gas at high reaction temperatures above 240°C.
The analysis of feed medium by nuclear magnetic resource (NMR) showed strong characteristic signals of the α- and β-anomeric forms of D-glucopyranose together with those of the antifoam, as well as very small signals of impurities associated with the technical grade materials used (data not shown).
This review is focused on the impurities determination in uranium nuclear fuel grade matrix with the use of spectrometric methods.
The role of sodium sulphate in separating phosphate from its impurities and producing an acceptable concentrate grade for phosphoric acid production (equals or more than 30%P2O55) was evaluated using augmented factorial design.
