Abstract
A procedure is described in which interferences caused by hydrogen and sulphur are eliminated. These occur when petroleum hydrocarbons or sulphur containing materials are analysed. Copper oxide, in conjunction with the gravimetric determination of carbon dioxide, has been found preferable to the iodine pentoxide procedure. The replacement of iodine pentoxide by copper oxide has also simplified the maintenance of the apparatus without any loss of applicability to organic compounds in general. Activated copper is used to absorb sulphur compounds. Details of the modified procedure are included.
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