Table 1

The chemical systems for measuring the UV absorbance of the microcapsules on PMMA plates.

Sample name cHDB, wt% Mass of capsule suspension, mg Concentration of OS in suspension, mg/mg Δm, mg
S1-1 30 122 2.94/10 33
S1-2 30 115 3.26/10 35
S2-1 20 90 4.00/10 33
S2-2 20 85 4.05/10 31
S3-1 10 95 3.80/10 33
S3-2 10 75 4.61/10 31
S4-1 5 89 3.89/10 31
S4-2 5 86 3.89/10 30