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Bial's reagent consists of 0.4 g orcinol, 200 ml of concentrated hydrochloric acid and 0.5 ml of a 10% solution of ferric chloride. [2] Bial's test is used to distinguish pentoses from hexoses; this distinction is based on the color that develops in the presence of orcinol and iron (III) chloride. Furfural from pentoses gives a blue or green color.
Manfred Bial (10 December 1869 – 26 May 1908) was a German physician who invented a test for pentoses using orcinol, now known as Bial's test. [1] Bial was born on 10 December 1869 in Breslau, the son of Max Bial. He was an assistant at the Kaiserin-Augusta-Hospital in Berlin. Bial died on 26 May 1908 in Monaco. [citation needed]
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Roger Wilco is one of the first voice-over-IP client programs designed primarily for use with online multiplayer video games. [1] Roger Wilco enabled online gamers to talk to one another through a computer headset or other audio input device instead of typing messages to each other. Within a year of the software's introduction, over 2 million ...
Charlotte Hornets center Nick Richards will be sidelined indefinitely due to a fractured rib. Richards went down early after injuring his right shoulder in the Hornets’ 124-109 loss to the ...
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