an optical brightener can emit more visible light than that which shines on it, making it appear brighter. The blue light emitted by the brightener compensates...
7 KB (839 words) - 23:26, 17 July 2024
Paper chemicals (section Optical-brightening agent)
blue and violet dyes.[citation needed] Optical brightener is used to make paper appear whiter. Optical-brightening agents use fluorescence to absorb invisible...
17 KB (1,377 words) - 16:22, 26 July 2024
Fluorescence (section Optical brighteners)
an optical brightener can emit more visible light than that which shines on it, making it appear brighter. The blue light emitted by the brightener compensates...
98 KB (10,902 words) - 17:47, 8 August 2024
tribe ownership.[citation needed] Mrs. Stewart's Bluing Blue rinse Optical brightener Reckitt, Basil N. (1958). The History of Reckitt and Sons Limited...
4 KB (455 words) - 18:39, 27 May 2023
(quantum mechanics) – History of radio – Hue – Isotope – Light – Optical brightener – Orbits (complex dynamics) –Particle in a spherically symmetric potential...
9 KB (629 words) - 01:54, 8 April 2024
groups on each of the two phenyl rings. The compound is a popular optical brightener for use in laundry detergents. It is produced by reduction of 4,4′-dinitro-2...
2 KB (93 words) - 21:35, 18 July 2024
(VII c) Proof on orange coloured paper Proof on cardboard paper with optical brightener Proof with dark purple tones Varieties and special features 3+3 annas...
12 KB (1,008 words) - 06:38, 18 March 2024
fluorescence from certain textile fibers, especially those bearing optical brightener residues, can also be used for recreational effect, as seen, for example...
36 KB (3,754 words) - 14:31, 7 July 2024
value, but it is a precursor to other derivatives used as dyes, optical brighteners, phosphors, and scintillators. Stilbene is one of the gain mediums...
21 KB (1,849 words) - 23:26, 17 July 2024
Non-dairy creamer, commonly called tea whitener or coffee whitener Optical brightener, an additive used to enhance the appearance of colour of fabric and...
2 KB (316 words) - 06:35, 11 June 2024