SYNTHESIS, COLORFASTNESS EVALUATION AND UTILIZATION OF HUMIC ACID DERIVED DYES / PIGMENT
Pakistan coal derived humic acid (HAL) salt was used to synthesize direct azo and acid dyes by coupling reaction with arylamines and its substituted derivatives (R1-R15) for dyeing industry as a reaction intermediates. A variety of color shades ranging from light to deep brown and yellowish were obt...
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| Main Authors: | , , , , |
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| Language: | English |
| Published: |
Sociedad Chilena de Química
2011
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| Subjects: | |
| Online Access: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072011000100008 |
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