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p-Phenylenediamine ( PPD) is an organic compound with the formula C 6 H 4 (NH 2) 2. This derivative of aniline is a white solid, but samples can darken due to air oxidation. [1] It is mainly used as a component of engineering polymers and composites like kevlar. It is also an ingredient in hair dyes and is occasionally used as a substitute for ...
Action-adventure, sandbox. Mode (s) Single-player, multiplayer. Terraria ( / təˈrɛəriə / ⓘ [1]) is a 2011 action-adventure sandbox game developed by Re-Logic. The game was first released for Windows and has since been ported to other PC and console platforms. The game features exploration, crafting, building, painting, and combat with a ...
Patent ductus arteriosus ( PDA) is a medical condition in which the ductus arteriosus fails to close after birth: this allows a portion of oxygenated blood from the left heart to flow back to the lungs through the aorta, which has a higher blood pressure, to the pulmonary artery, which has a lower blood pressure.
65589-70-0. 10597-46-3 (hydrochloride) Alcian Blue 8GX. Alcian Blue. Ingrain Blue 1. 74240. phthalocyanine. 75881-23-1. Alcian yellow GXS.
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The dye is an organic compound of bromine (i.e., an organobromine compound), a class of compounds often found in algae and in some other sea life, but much more rarely found in the biology of land animals. This dye is in contrast to the imitation purple that was commonly produced using cheaper materials than the dyes from the sea snail.
As their new romance continues "heating up", Kristin Cavallari and Jeff Dye are enjoying some PDA under the Mexican sun. In photographs published by TMZ, the two are looking cozy in Cabo San Lucas ...
As their new romance continues "heating up", Kristin Cavallari and Jeff Dye are enjoying some PDA under the Mexican sun. In photographs published by TMZ, the two are looking cozy in Cabo San Lucas ...