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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 269 (1974), S. 15-18 
    ISSN: 1618-2650
    Keywords: Best. von Sulfit mit Trinitrobenzoesäure ; Spektralphotometrie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung SO3 2− kann mit Trinitrobenzoesäure innerhalb von 2 min photometrisch bestimmt werden. SO4 2−, S2O3 2−, S2− und SxO6 2− in Konzentrationen bis zu 1 mMol/100 ml stören nicht. Die untere Bestimmungsgrenze beträgt 0,22mg SO3 2−/100 ml, die Standardabweichung bei der Bestimmung von 7 mg SO3 2− ± 0,59 Rel.-%.
    Notes: Abstract SO3 2− can be determined photometrically with trinitrobenzoic acid within 2 min. SO4 2−, S2O3 2−, S2− and SxO6 2− in concentrations up to 1 mMole/100 ml do not interfere. The limit of determination is 0.22 mg SO3 2−/100 ml, the standard deviation for the determination of 7 mg SO3 2− is ± 0.59 Rel.-%.
    Type of Medium: Electronic Resource
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