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Separation and determination of sulfur with different valance in polysulfide mixture

โœ Scribed by Zhou, Ji-hong ;Chen, Qi-yuan ;Zhang, Ping-min ;Yin, Zhou-lan


Book ID
107505880
Publisher
Chinese Electronic Periodical Services
Year
2000
Tongue
English
Weight
266 KB
Volume
7
Category
Article
ISSN
1005-9784

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Addition of polysulfide to pulping liquor has long been known to increase the yield of wood pulp from the kraft process. Methods heretofore available for determining polysulfide in pulping liquors require either spectrophotometric measurements or indirect, multistep, titrimetric procedures. Absorba