A5025747099- Dye analysis and toxicity
- Dyeing and Modifying Textile Fibers
- Water Quality Monitoring and Analysis
- Analytical chemistry methods development
- Advanced Chemical Sensor Technologies
- Chemistry and Chemical Engineering
- Mercury impact and mitigation studies
- bioluminescence and chemiluminescence research
- Analytical Methods in Pharmaceuticals
- Mass Spectrometry Techniques and Applications
- Environmental and Analytical Chemistry Studies
- Collagen: Extraction and Characterization
- Photopolymerization techniques and applications
Pakistan Council of Scientific & Industrial Research
2013-2022
University of Karachi
2018-2022
Abstract The current study elaborates on the capabilities of ultrasonic waves in improving conventional method for analysis banned aromatic amines dyed textile samples. Wool, linen and cotton were according to their relative affinity with a selected benzidine‐based dye, CI Direct Red 28. standard procedure, BS EN 14362‐1:2012, was used testing samples, final estimation through gas chromatography‐mass spectrometry. after reduction, released significant quantity benzidine (listed amine), hence...
The study proposes a simple, novel and green alternative for the efficient reduction of azo dyes by standard method, EN 14362-1:2012 (Annex. F) detection harmful aromatic amines in colorants, incorporating microwave heating place convective heating. Basic dye response to methods was explored UV-visible spectroscopy results were confirmed through GC-MS HPLC-DAD. Four namely Acid red 1 (AR-1), Direct blue 15 (DB-15), 28 (DR-28) 7 (DR-7) reduced with sodium dithionite at 70 °C 30 min buffered...
Leather industry uses a great number of processing chemicals to make leather from animal hides. The toxicity, health and environmental impacts many these have been established leading significant regulatory certifications programs helping in trade policy making. focus this review are the hazardous auxiliaries relevant industry, their categories, possible origins, analysis toxicity with respect humans environment mechanisms suggested for them through manufacturing restricted substance list...
The screening of harmful colorants in consumer products is a global concern.Majority textile and leather exports undergo extensive quality testing, consuming lot time energy.Consequently, improvements the rate reduction standard method for azo dyes, EN 14362-1:2012 (Annex.F), by combining conventional heating with ultrasonication have been explored to adopt greener approach.Basic dye behavior was investigated UV-visible spectroscopy, so that more efficient methods could be designed high-tech...