Ponceau S is the more common of the two, due to its higher sensitivity and water solubility, the latter making it easier to subsequently destain and probe the membrane, as described below.
12.
His properties on rue du Mont-Blanc were sold for 400000 francs to the rich grocer Fran�ois-Dominique Mosselman, who was based in a building opposite Ponceau's on rue Saint-Denis.
13.
"' Fontaine du Ponceau "', at the corner of rue Saint-Denis and rue du Ponceau, ( about 1529, reconstructed in 1605 by Pierre Guillain, then in 1729 by Jean Beausire.
14.
"' Fontaine du Ponceau "', at the corner of rue Saint-Denis and rue du Ponceau, ( about 1529, reconstructed in 1605 by Pierre Guillain, then in 1729 by Jean Beausire.
15.
A wordlist which she provided to surveyor John Wood in 1820 found its way to Thomas Jefferson, who shared it with Peter Stephen Du Ponceau; it is one of the best surviving sources of information about the language.
16.
Ponceau 4R is a strawberry red azo dye which can be used in a variety of food products, and is usually synthesized from aromatic hydrocarbons; it is stable to light, heat, and acid but fades in the presence of ascorbic acid.
17.
Judges of the Superior Court were John Bartow Prevost ( 1804 1808 ), Ephraim Kirby ( 1804 ) ( died en route to New Orleans ), Peter Stephen Du Ponceau ( 1804 ) ( declined President Thomas Jefferson's appointment ), Joshua Lewis ( 1807 1813 ), and Francois Xavier Martin ( 1810 1813 ).
18.
In 2008, the Food Standards Agency of the UK called for food manufacturers to voluntarily stop using six food additive colours, Tartrazine, Allura Red, Ponceau 4R, Quinoline Yellow WS, Sunset Yellow and Carmoisine ( dubbed the " Southampton 6 " ) by 2009, and provided a document to assist in replacing the colors with other colors.
19.
The commercial survivors are & ndash; in addition to the Passage des Panoramas & ndash; the Galerie Vivienne, the Passage Choiseul, the Galerie Colbert, the Passage des Princes, the Passage du Grand Cerf, the Passage du Caire, the Passage Lemoine, the Passage Jouffroy, the Passage Basfour, the Passage du Bourg-L'abb? and the Passage du Ponceau.
20.
The US FDA and other food safety authorities to regularly review the scientific literature, and led the UK Food Standards Agency ( FSA ) to commission a study by researchers at Southampton University of the effect of a mixture of six food dyes ( Tartrazine, Allura Red, Ponceau 4R, Quinoline Yellow WS, Sunset Yellow and Carmoisine ( dubbed the " Southampton 6 " ) ) on children in the general population.
