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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.
Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...
Bial's test; References This page was last edited on 17 July 2024, at 09:05 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...
It is used in the production of the dye orcein and as a reagent in some chemical tests for pentoses, such as Bial's Test. It may be synthesized from toluene; more interesting is its production when acetone dicarboxylic ester is condensed with the aid of sodium. It crystallizes in colorless prisms with one molecule of water, which redden on ...
Alexander Smirnov, the former FBI informant who was charged with lying about President Joe Biden and his son Hunter Biden's business dealings, has reached a plea deal with prosecutors from special ...
North Carolina’s Emerson Elgin (6) kisses the championship trophy after UNC’s 1-0 victory over Wake Forest in the finals of the 2024 Women’s College Cup at WakeMed Soccer Park in Cary, N.C ...
Here's Why Julia Roberts Turned Down a “Notting Hill” Sequel, According to Writer Richard Curtis
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]