Determination of total sulphur dioxide in beer by flow injection spectrophotometry using gas-diffusion and the merging zones technique
A flow injection system for the determination of total sulphur dioxide in beer is described. The methodology involves the same colorimetric reaction of the reference method between SO2, p-rosaniline and formaldehyde. The sample is introduced into the manifold without previous pretreatment, the hydro...
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| Other Authors: | , |
| Format: | article |
| Language: | eng |
| Published: |
2011
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10400.14/6445 |
| Country: | Portugal |
| Oai: | oai:repositorio.ucp.pt:10400.14/6445 |