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A novel and green method to synthesise sulphur nanoparticles (SNPs) through precipitation reaction of aqueous sodium thiosulphate catalysed by oxalic acid using a herbal surfactant in aqueous solutions is reported. The herbal surfactant, saponin, was extracted from a native plant called Acanthe Phylum Bracteatum grown in Urmia West Azerbaijan, Iran. The SNPs were characterised by dynamic light scattering,...
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