A color standard for PH determination using a natural indicator
The main concern of this study was to prepare a color standard using as an indicator of pH the extract of the flowers of kamias tree. The stability of the color was tested by having series of replication after the first and second month. The study found out that extract of the flowers of kamias tr...
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| Formato: | Tese |
| Idioma: | English |
| Publicado em: |
1976.
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