نتایج جستجو برای: natural dyes
تعداد نتایج: 500174 فیلتر نتایج به سال:
Backgrounds and Objectives: A great part of organic compounds cause more pollution in natural waters meet, are chemical dye material. Azo dyes have more usage in different industries. Azo dyes not only give undesirable dye to the water but also have mutation potential and carcinogenesis effects in human and cause the production of toxic substances in water environments.The purpose of this stud...
Blue dye (indigo) from Indigofera tinctoria leaves is a popular natural used worldwide. The lower light fastness of indigo dyes compared to that synthetic blue one the drawbacks former, limiting its utiliz
Sappan wood (Caesalpinia sappan) is very well known as a natural dye for traditional food and beverage in many countries. Recently, there are reports of sappan adulteration by adding synthetic or dyes to obtain quality color better appearance. In this study, UV-Vis absorption spectra coupled with chemometrics were used develop rapid detection raw material (authentication) from three dyes, i.e.,...
Approximately 10,000 different types of dyes and pigments are being used in various industrial applications yearly, which include the textile and printing industries. However, these dyes are difficult to degrade naturally once they enter the aquatic system. Their high persistency in natural environment poses a potential health hazard to all form of life. Hence, there is a need for alternative d...
The natural dyes separated from plants are of gaining interest as substitutes for synthetic dyes in food and cosmetics. Thespesia populnea (T. populnea) is widely grown plant and used in the treatment of various diseases. This study was aimed to separate natural dye from T. populnea bark and analysis of its dyeing property on different fabrics. In this investigation pharmacognostic study was ca...
Production of improved varieties of cotton for export and local consumption, establishment of ginneries, farm to plant transport services, storage and handling facilities, production of chemicals including natural dyes, industrial starch, caustic soda, hydrochlorides and other finishing chemicals as well as production of textiles. Cotton production has been selected as one of the special Presid...
Wastewaters from the industrial sector and, in particular, those textile industry have a diverse composition of organic dyes. These dyes are xenobiotics for living organisms falling into natural water, can lead to severe consequences aquatic flora and fauna. This is case with azo-dyes, such as, example, amaranth. The adaptive responses micro- metafauna communities activated sludge towards shock...
<p>Dyes play a crucial role in various industries, but their environmental impact and potential health risks have raised concerns. This review paper examines the classification applications of dyes, highlighting challenges posed by synthetic dyes growing interest natural dyes. The textile on human health, ecosystems, water, soil, air emissions is explored. focus then shifts to sustainable...
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