Imágenes de páginas
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jaune

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En remplaçant la xylidine par la toluidine, la paratoluidine ou l'aniline, on obtient les rouges 2, 3 ou 4. Alun, pp. floconneux, soluble à chau en rouge orange.

3 naphtolazobenzene sulfo laine et soie BaCl2 pp. cristallin. nate de Na.

Thioaniline bis azo (sel de Schæffer).

laine

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- naphtol - azoortholuène sulfonate de sodium.

laine et soie

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id.

rouge carmin

fucks

id.

(Ethyldimethylbenzene - a.oprécipité brun-naphtoldisulfonate de so'dium (sel R).

id.

brun

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laine, soie

Methoxybenzene-azo - ẞ-mo- laine
nosulfonate de soaium(selS).

précipité brunMethoxyparatoluene-azo - B

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'ouge chsine

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rouge ef

pp. violet

pp. rouge
soluble

naphtoldisulfonate de

laine

SO

La coccinine Rest l'éther éthylique.

dium (sel R).

Ethoxybenzene

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naphtoldisulfonate de
dium (sel R.)

SO

Sel de soude de l'acide naph-
tionique - azo - B-naphtodi-
sulfonique (sel G).

(Xylène-azo - ẞ-naphtodisul
fonate de sodium (se! R).

laine et soie

laine

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(Paranitrobenzène - azo -
amidonaphtalène sulfonate
de sodium.

(Monobenzoylorthotoluidine ·

rouge brique azo-a-n
naphtol - sulfonate

de soude.

orangé rouge sulfonate de Na.

SAniline azo amidonaphtol di- laine et soie

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