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Silver nanoparticles is black powder, it combines the characteristics of nano-materials and elemental silver, and has high surface activity, surface energy and catalytic performance. Purity: 99% Particle Size: 50nm, 100nm, 500nm About Silver Nan…
Manganese oxide is either a black amorphous or black-rhombic powder. Solubility: It's difficult to dissolve in water or weak acid/weak base and in conc. Purity: 96.6%,72%.Particle Size: 1 to 3 mm About Manganese Dioxide MnO2: Manganese dioxide…
The backfilling of the bathroom is a crucial part of any renovation. Backfilling is an essential part of bathroom renovations. It has many purposes, including protecting the pipeline from leakage, improving the thermal insulation capability of the ba…
Algeria, another big North African country, also has new import and export rules, following an announcement by Egypt's central bank that Egyptian importers will only be able to use letters of credit from March.…