Sentence examples for powder purity from inspiring English sources

Briefly, a small amount of Sn powder (purity: ≥99%, about 3 g) was placed in an alumina crucible.

CuCl powder (purity 99.99%) was inserted into the center of a quartz tube at intervals of 2 in.

Molybdenum naphthenate was applied as the catalyst in slurry-phase hydrocracking of feedstock oils; meanwhile, the sublimate sulfur powder (purity of 99.95 %, particle size ≤100 μm) was taken as a sulfurizer [34].

MoS2 powder (purity of 99.5 %, particle size ≤2 μm) was applied as the catalyst in slurry-phase hydrocracking of model reactant to avoid the product interference coming from molybdenum naphthenate.

In a typical synthesis, 2 g of Pr(NO3 3·6H2O powder (purity 99.5%, Sigma Aldrich chemicals) was dissolved in a mixture of isopropanol and cyclohexane with the ratio of 1 4 and stirred until the solution become transparent.

The improvement of the silicon powder purity is attributed to the migration of unwanted impurities from the volume of silicon grains composing the powder to the PS layer, at the surface of the grain, where they can be easily removed by chemical etching [6, 7].

The raw materials are tungsten powders (purity, 99.5 wt.%; particle size, 1 to 3 μm), carbonyl iron powders (purity, 99.5 wt.%; particle size, 3 to 5 μm) and carbonyl nickel powders (purity, 99.5 wt.%; particle size, 3 to 5 μm).

The MoS2 powders (purity, ~ 99%) were cold-pressed into a disk under the pressure of 20.0 MPa.

To prepare (K0.5Na0.5NbO3) or KNN powder, starting powders (purity > 99%) of K2CO3, Na2CO3, and Nb2O5 were first mixed to form the KNN phase.

For this purpose In2O3 and SnO2 powders (purity >99.9%) were mixed with 10% in weight of carbon black and each mixture was placed inside a horizontal tube furnace in two separated alumina crucibles.

The Mg powder (99.8cs% purity, 325 mesh) and Cu powder (99.9% purity, 625 mesh) were mixed in a molar ratio of Mg50Cu50.