Waste Disposal

Burnt Cotton Balls

Designated Waste bin

Ethanol

Back to Corresponding Container

Vegetable Oil

Back to Corresponding Containers

Pure Stearic Acid

1. Add enough oil to dissolve solidified stearic acid

2. Immediately decant solution to Stearic Acid

Waste Container; do it fast

Stearic acid-unknown solution

1. Add enough oil to dissolve solidified stearic acid

2. Immediately decant solution to Stearic Acid

Waste Container; do it fast

KIO3

E501

NaHSO3

E501

Magnesium Ribbon

Bin for solid wastes

Na2S2O3

Filter then dispose died products in bin for solid wastes

Acetic Acid Solutions

1. Neutralize with dilute NaOH solution then dispose in sink

Precipitates

Filter with Cotton then finish down the drain with water

Throw used Cotton in contaminated waste bin

Where to perform Na2S2O3 solution experiment

Under Fume hood due to Sulfur dioxide gas being produced which is an eye and skin irritant