Tightening environmental legislation is driving the chemical industries to develop efficient solid acid catalysts to replace conventional mineral acids. Polystyrene sulphonic acid resins, as some of ...
THE STABILITY constants for the complexes of 8-hydroxyquinoline-5-sulphonic acid (oxine sulphonic acid) have recently been compared with those for 8-hydroxyquinoline (oxine). For any given metal, the ...
He said that Sulphonic Acid was a major raw material for soap industry, its origin-wise price revolved from $950 PMT to 1050 US dollars PMT in the international market. He complained that the Customs ...
KARACHI: Pakistan Soap Manufacturers Association (PSMA) Chairman A. Abdullah Zaki has condemned higher valuation of sulphonic acid issued by the Director Customs Valuation on Dec 22 despite its low ...
Directorate General Customs Valuation (DGCV) has revised the customs values of Linear Alkyl Benzene Sulphonic Acid (Soft & Hard type) under section 25 (7) of the Customs Act, 1969. According to ...
Public Health Reports (1896-1970), Vol. 38, No. 18 (May 4, 1923), pp. 933-958 (26 pages) ...
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