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Yahoo Finance
18 天
Bracco Diagnostics Inc. Introduces Innovative "Mini" Packaging for VARIBAR® (barium ...
Mini packaging will be available for VARIBAR ® NECTAR (barium sulfate) oral suspension, VARIBAR ® THIN HONEY (barium sulfate) oral suspension, VARIBAR ® HONEY (barium sulfate) oral suspension, ...
Specialty Fabrics Review
3 天
A chalk-based coating for cooling
University of Massachusetts Amherst researchers developed a chalk-based textile coating that reflects UV and near-infrared ...
14 天
Voyageur Pharmaceuticals Ltd. Signs Letter of Intent with Global Contrast Imaging Company ...
TSXV:VM) Voyageur Pharmaceuticals Ltd. Signs Letter of Intent with Global Contrast Imaging Company to Expand Market Reach and Product Portfolio ...
BBC
1 年
Testing for negatively charged ions
Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first. Carbonate ions also produce a white precipitate with barium chloride solution. The acid reacts with ...
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