Test number Initial KCl concentration (mol/L) KCl amount (g) Polymer Amount of polymer (g) Solvent Amount of solvent (g) 1 0.27 7.7 - 0   0 2 0.27 7.7 - 0 30 0 3 0.27 7.7 Starch 0.77   0.77 4 0.27 7.7 Starch 1.54 4.1 1.54 5 0.27 7.7 Lignin 0.77 1.9 0.77 6 0.27 7.7 Lignin 1.54   1.54

Table 1: Composition of biodegradable polymer mixes. Polymer amounts 10% and 20% of the salt. Tests 1 and 2: grinded and ungrinded KCl samples.