29.12.2013 Views

Lynne Wong's PhD thesis

Lynne Wong's PhD thesis

Lynne Wong's PhD thesis

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

4.3.3 Temperature at which Brix-free water is measured 117<br />

4.3.4 Method of sample preparation 117<br />

4.3.5 Method of measurement 117<br />

4.3.6 Cane variety 117<br />

4.3.7 Pith and rind 117<br />

4.3.8 Sugar cane sections 118<br />

4.3.9 Crop location 118<br />

4.4 DEVELOPMENT OF A BRIX-FREE WATER DETERMINATION<br />

118<br />

METHOD FOR CANE FIBRES<br />

4.4.1 Residual sucrose in cane fibres 118<br />

4.4.2 Brix measurement 124<br />

4.4.3 Re-generation of fibre samples 124<br />

4.4.4 Homogeneity of fibre samples 125<br />

4.4.5 Drying conditions prior to analysis 127<br />

4.4.6 Residual moisture in fibre samples prior to Brix-free water 131<br />

determination<br />

4.4.6.1 Halogen thermogravimetry as a technique to determine133<br />

residual moisture in fibres<br />

4.4.6.2 A rapid method developed to determine residual moisture<br />

136<br />

in fibres by halogen thermogravimetry<br />

Page<br />

4.4.6.2.1 Equipment 136<br />

4.4.6.2.2 Method of determination of residual moisture in fibres 136<br />

4.4.6.2.3 Comparison of the halogen drying method with the<br />

137<br />

standard oven drying method<br />

4.4.7 Concentration of the contact solution 139<br />

4.4.8 Ratio of the contact solution to sample size 139<br />

4.4.9 Contact time 141<br />

4.4.10 Sample fineness 141<br />

4.4.11 Sample size and precision of the method 142<br />

(xiii)

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!