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Category:Azo dyes

en.wikipedia.org/wiki/Category:Azo_dyes

Azo dyes are dyes with -N=N- azo structure as a chromophore. Pages in category "Azo dyes". The following 65 pages are in this category, out of 65 total. This list ...

AZO Dyes | AZO Testing |Directive 2002/61/EC | CIRS

www.cirs-reach.com/Testing/AZO_Dyes.html

AZO dyes are the name of the group of synthetic dyestuffs based on nitrogen that are often used in textile industry. Some AZO dye stuffs may separate under ...

Food-Info.net : Azo dyes

www.food-info.net/uk/colour/azo.htm

Azo dyes are synthetic colours that contain an azo group, -N=N-, as part of the structure. Azo groups do not occur naturally. Most azo dyes contain only one azo  ...

Azodyes - European Commission : Trade : Export Helpdesk

exporthelp.europa.eu/thdapp/taxes/show2Files.htm?dir=/requirements&reporterId1=EU&file1=ehir_eu13_02v001/eu/main/req_chetext_eu_010_1303.htm&reporterLabel1=EU&reporterId2=NL&file2=&reporterLabel2=Netherlands&label=Restriction on the use of certain

Azodyes which may release one or more of the aromatic amines listed in Appendix 8, in textile and leather articles which may come into direct and prolonged ...

A Method for the Purification of Certain Azo Dyes. - Industrial ...

pubs.acs.org/doi/abs/10.1021/ie50113a023

A Method for the Purification of Certain Azo Dyes. Herbert A. Lubs. Ind. Eng. Chem. , 1919, 11 (5), pp 456–456. DOI: 10.1021/ie50113a023. Publication Date:  ...

The Environmental, Health and Economic Impacts of Textile Azo Dyes

2014.igem.org/wiki/images/2/29/Goodbye_Azo_Dye_POSTnote.pdf

the dyeing industry, such as Azo dyes, is becoming more visible. This POSTnote examines the hazards associated with the use of Azo dyes in the textile industry ...

Bacterial decolorization and degradation of azo dyes - ScienceDirect

www.sciencedirect.com/science/article/pii/S0964830506001430

However microorganisms, being highly versatile, have developed enzyme systems for the decolorization and mineralization of azo dyes under certain ...

Bacterial decolorization and degradation of azo dyes: A review

www.sciencedirect.com/science/article/pii/S1876107010001094

A variety of synthetic dyestuffs released by the textile industry pose a threat to environmental safety. Azo dyes account for the majority of all dyestuffs, pro.

Efficient catalytic reduction of azo dyes by N,N-dimethylformamide ...

xlink.rsc.org/?DOI=c4nj00342j

A novel and efficient electron-transfer method has been developed for the reduction of azo dyes using viologen as an electron transfer catalyst in the mixed  ...

Azo Dyes - UW Dept. of Chemistry

depts.washington.edu/chem/facilserv/lecturedemo/AzoDyes-UWDept.ofChemistry.html

Azo Dyes. Summary: A series of different colored dyes are formed. Hazards: Aniline Hydrochloride is highly toxic and a cancer suspect agent. b-Napthol is an  ...

More Info

azo dye | chemical compound | Britannica.com

www.britannica.com

The oldest methods for applying azo dyes to cotton involved successive treatments with solutions of two chemical components that react to form the dye within ...

Safety review of the use of certain azo-dyes in cosmetic products

ec.europa.eu

It was requested that the SCCNFP reviewed the safety of the following azo dyes : CI 12150, CI 20170, CI 26100 and CI 27290. The SCCNFP was requested to ...

The reduction of azo dyes by the intestinal microflora. - NCBI

www.ncbi.nlm.nih.gov

Crit Rev Microbiol. 1992;18(3):175-90. The reduction of azo dyes by the intestinal microflora. Chung KT(1), Stevens SE Jr, Cerniglia CE. Author information: