15%Na2SO4,16%NaOH15 \% \mathrm{Na}_{2} \mathrm{SO}_{4}, 16 \% \mathrm{NaOH}15%Na2SO4,16%NaOH ও 36%CaCl236 \% \mathrm{CaCl}_{2}36%CaCl2 দ্রবণ ।
25%Ca(OH)2,13%Na2SO325 \% \mathrm{Ca}(\mathrm{OH})_{2}, 13 \% \mathrm{Na}_{2} \mathrm{SO}_{3}25%Ca(OH)2,13%Na2SO3 ও 29%NaNO329 \% \mathrm{NaNO}_{3}29%NaNO3 দ্রবণ
6%CH3COOH,12%Na2SO46 \% \mathrm{CH}_{3} \mathrm{COOH}, 12 \% \mathrm{Na}_{2} \mathrm{SO}_{4}6%CH3COOH,12%Na2SO4 ও 49%KHCO349 \% \mathrm{KHCO}_{3}49%KHCO3 দ্রবণ
27.1%Na2 S,58.6%NaOH27.1 \% \mathrm{Na}_{2} \mathrm{~S}, 58.6 \% \mathrm{NaOH}27.1%Na2 S,58.6%NaOH ও 14.3% Na2CO3∣\mathrm{Na}_{2} \mathrm{CO}_{3} \midNa2CO3∣
