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In order to analyze the amount of free sulfites in food as a result of the sulfonation of sodium bisulfite, multiple methods can be used including the Monier-Williams type procedure, [12] HPLC after extraction, and Flow Injection analysis. Overall, the use of sodium bisulfite in the food industry as an additive and antioxidant is safe and ...
Monier Williams was born in Bombay, the son of Colonel Monier Williams, surveyor-general in the Bombay presidency. His surname was "Williams" until 1887, when he added his given name to his surname to create the hyphenated "Monier-Williams". In 1822, he was sent to England to be educated at private schools at Hove, Chelsea and Finchley.
This page was last edited on 8 August 2008, at 08:17 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
The topic of sulfite food and beverage additives covers the application of sulfites in food chemistry. "Sulfite" is jargon that encompasses a variety of materials that are commonly used as preservatives or food additive in the production of diverse foods and beverages. Although sulfite salts are relatively nontoxic, their use has led to ...
Solutions of bisulfite are typically prepared by treatment of sulfur dioxide with aqueous base: [3]. SO 2 + OH − → HSO − 3. HSO − 3 is the conjugate base of sulfurous acid, (H 2 SO 3).
To some extent, the sulfito ligand resembles nitrito (NO − 2), which can bind through N or O. Monodentate, S-bonded sulfites are more common than O-bonded sulfito ligands. S-Bonded sulfite is a soft ligand with a strongly trans labilizing effect as indicated by the rapid aquation of [Co(SO 3)(NH 3) 5] + to give [Co(SO 3)(NH 3) 4 (H 2 O)] +. [3]
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Sulfite pulps now account for less than 10% of the total chemical pulp production [3] and the number of sulfite mills continues to decrease. [ 5 ] [ 6 ] [ 7 ] Magnesium was the standard counter ion until calcium replaced it in the 1950s.