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Products containing tartrazine commonly include processed commercial foods that have an artificial yellow or green color, or that consumers expect to be brown or creamy looking. It has been frequently used in the bright yellow coloring of imitation lemon filling in baked goods.
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 ...
Originally, spar varnish was a "long oil" varnish, composed primarily of drying oil with a small proportion of resin, usually boiled linseed oil and rosin. [1] This gave flexibility, [ 2 ] even though its weather resistance was still poor, and thus re-coating was required relatively frequently.
Dye from weld serves equally for linen, wool, and silk, dyeing with proper management all shades of yellow, and producing a bright and beautiful color. [1] Reseda is a primary dye for the wool tapestries at the Ramses Wissa Wassef Art Centre in Giza, Egypt. Each February, the reseda is harvested for the annual wool dyeing event among all the ...
German dye firms developed in-house marketing and distribution capabilities coordinated directly with their research and development departments. [3] Paul Schützenberger , in response to what he had seen at the 1878 Universal Exposition commented, "The abundance, the variety of combinations is such that we do not know whether to be more amazed ...
Scientists have used a food coloring dye used in Doritos and other products to create mice with see-through skin, a low-cost way to assess the body's internal operations.