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Optical brightener - Wikipedia- fluorescent powder fluorescent powder detergent washing powder ,Optical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs), or fluorescent whitening agents (FWAs), are chemical compounds that absorb light in the ultraviolet and …Optical brightener - WikipediaOptical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs), or fluorescent whitening agents (FWAs), are chemical compounds that absorb light in the ultraviolet and …



US4309316A - Process for the production of washing powders ...

The invention relates to the production of washing powders of stabilized or enhanced appearance which contain a fluorescent whitening agent of the formula ##STR1## or of the formula ##STR2## wherein R 1 is hydrogen or chlorine, and M is hydrogen, an alkali metal or ammonium ion. The stabilizing or enhancement of the appearance is effected by first dissolving or dispersing the fluorescent ...

LAB: Fluorescent Brightening Agents in Laundry Detergent

1) make up solutions of various laundry detergents and place them on a blacklight to determine the color of the light emitted by the fluorescent brightening agent in each detergent. 2) take several …

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Can be widely used in washing powder, washing paste, liquid detergent, fabric softener and finishing agent. High fluorescence intensity. Bright neutral white light on cotton, polyester, nylon and wool fabrics. After repeated washing …

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Optical brightener - Wikipedia

Optical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs), or fluorescent whitening agents (FWAs), are chemical compounds that absorb light in the ultraviolet and …

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US4298490A - Process for the production of washing powders ...

The invention relates to the production of washing powders of stabilized or enhanced appearance which contain a fluorescent whitening agent of the formula ##STR1## wherein X 1 is hydrogen, chlorine, …

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Optical brightener - Wikipedia

Optical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs), or fluorescent whitening agents (FWAs), are chemical compounds that absorb light in the ultraviolet and …

Study of effects of fluorescent whitening agents in ...

Several fluorescent whitening agents are respectively added into washing powder and the effects of fluorescent whitening agents in washing powder are studied through tests on whiteness for powder,detergency and cycle of washing.The results are as follows:with weight percentage being 0 1 %,different type of fluorescent whitening agents can raise the whiteness for washing powder …

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LAB: Fluorescent Brightening Agents in Laundry Detergent

1) make up solutions of various laundry detergents and place them on a blacklight to determine the color of the light emitted by the fluorescent brightening agent in each detergent. 2) take several …

16 Things That Glow Under Black Light - ThoughtCo

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Mechanism: Optical brighteners are colorless to weakly colored organic compounds.When present on a substrate, optical brighteners absorb primarily invisible ultraviolet light in the 300-400 nanometer (nm) range and re-emit in the visible violet-to-blue fluorescent …

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Why Brightening Chemicals Aren't in Green Detergents

Optical brighteners are synthetic chemicals added to liquid and powder laundry detergents to make clothing appear whiter and brighter, and thus cleaner. They are the modern-day replacement for the …

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Laundry Detergents Without Optical Brighteners – Our ...

Dec 04, 2019·Optical brighteners are synthetic chemicals that are added to liquid & powder laundry detergents. Laundry detergent manufacturers add this chemical for the sole purpose of making …

Trend Laundry Detergent | Trend Classic Powder Detergent

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