Ruziyati Tajuddin

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a small amount of yield. Low yield of natural dyes is one of the factors that limit the use of natural dyes in comparison with synthetic dyes. Hence, there is a growing demand for developing suitable extraction technique for more efficient and effective extraction of natural textile dyes. Approach: This study demonstrated ultrasonic cleaner as a technique(More)
Superheated water extraction has been linked directly to a superheated water chromatographic separation so that the process of sample extraction and separation can be achieved without the need for organic solvents at any stage. A model matrix spiked with pharmaceuticals and antioxidants was extracted and the extracted components were collected on a cold(More)
An on-line method, with a purely aqueous mobile phase, has employed linked superheated water extraction and superheated water separation for the analysis of triazine herbicides in spiked compost samples. After the superheated water extraction, a X-Terra solid-phase trap was used to collect and focus the extracted analytes. The trapped analytes were then(More)
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