Urine-absorbing aids for incontinence - Test methods for characterizing polymer-based absorbent materials - Part 4: Determination of moisture content by mass loss upon heating

This part of ISO 17190 specifies a method for determining the mass loss upon heating for cross-linked polyacrylate (PA) superabsorbent powders with a moisture content ranging between 0 % and 5 % by mass. The method is accurate to within ±0,1 %.

In general, this method is expected to be applicable to powdered polymeric superabsorbent materials that are free-flowing at temperatures between 15 °C and 150 °C. Substances other than water, that are volatile in this temperature range, will interfere.

Other parts of this product are listed below:

Urine-absorbing aids for incontinence - Test methods for characterizing polymer-based absorbent materials - Part 1: Determination of pH
Urine-absorbing aids for incontinence - Test methods for characterizing polymer-based absorbent materials - Part 2: Determination of amount of residual monomers
Urine-absorbing aids for incontinence - Test methods for characterizing polymer-based absorbent materials - Part 3: Determination of particle size distribution by sieve fractionation
Urine-absorbing aids for incontinence - Test methods for characterizing polymer-based absorbent materials - Part 5: Gravimetric determination of free swell capacity in saline solution
Urine-absorbing aids for incontinence - Test methods for characterizing polymer-based absorbent materials - Part 6: Gravimetric determination of fluid retention capacity in saline solution after centrifugation
Urine-absorbing aids for incontinence - Test methods for characterizing polymer-based absorbent materials - Part 7: Gravimetric determination of absorption under pressure
Urine-absorbing aids for incontinence - Test methods for characterizing polymer-based absorbent materials - Part 8: Gravimetric determination of flowrate
Urine-absorbing aids for incontinence - Test methods for characterizing polymer-based absorbent materials - Part 9: Gravimetric determination of density
Urine-absorbing aids for incontinence - Test methods for characterizing polymer-based absorbent materials - Part 10: Determination of extractable polymer content by potentiometric titration
Urine-absorbing aids for incontinence - Test methods for characterizing polymer-based absorbent materials - Part 11: Determination of content of respirable particles