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[5] Tartrazine is a commonly used coloring agent all over the world, mainly for yellow, and can also be used with brilliant blue FCF (FD&C Blue 1, E133) or green S (E142) to produce various green shades. It serves as a dye for wool and silks, a colorant in food, drugs and cosmetics and an adsorption-elution indicator for chloride estimations in ...
German food regulations released in 1882 stipulated the exclusion of dangerous "minerals ... permitted except the lake of ... No. 5 – Tartrazine, E102 (yellow ...
Sunset yellow FCF (also known as orange yellow S, or C.I. 15985) is a petroleum-derived orange azo dye with a pH-dependent maximum absorption at about 480 nm at pH 1 and 443 nm at pH 13, with a shoulder at 500 nm.
The Lake Michigan yellow perch population continues to struggle to recover after a significant decline in the 1990s. The drop, marked by a lack of recruitment, or survival of young perch ...
Chrome yellow or crocoite (PY34): lead chromate (PbCrO 4). Cobalt pigments. Aureolin or cobalt yellow (PY40): potassium cobaltinitrite (K 3 Co(NO 2) 6). Iron pigments. Yellow ochre (PY43): a naturally occurring clay of monohydrated ferric oxide (Fe 2 O 3 ·H 2 O). Lead pigments. Naples yellow (PY41). Lead-tin-yellow: PbSnO 4 or Pb(Sn,Si)O 3 ...
The lake sits in western Russia near the border of Kazakhstan. Nearby is Mayak, formerly known as Chelyabinsk one of the country's largest nuclear production sites. See more in the gallery below:
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