Thank you for your prompt answer concerning Sodium Carbonate as a stain remover ( " Arm and Hammer's Washing Soda " was used to remove an oil stain without detergent, just soaked in hot water and Arm and Hammer ).
32.
The sodium bicarbonate ( NaHCO 3 ) precipitate from reaction ( I ) is then converted to the final product, sodium carbonate ( washing soda : Na 2 CO 3 ), by calcination ( 160-230 C ), producing water and carbon dioxide as byproducts:
33.
Because the process separates the non-metallic particles from the metallic ones, it is very useful for cleaning a wide variety of metallic objects, from old coins to even larger objects including rusted cast iron cylinder blocks and washing soda, baling wire, and a battery charger.
34.
After the diapers have been rinsed in clean water, wash in dilute vinegar ( washing soda is chemically basic, so this helps to neutralize what s liquid is left in the cloth and makes it feel softer which what you want next to a baby's bum ).
35.
The composition of toilet blocks can vary, but they may contain, among other components, borax ( one of the ingredients of many detergents ), hydroxyethylcellulose ( gelling agent ), troclosene sodium ( disinfectant ), sodium dodecylbenzenesulfonate ( surfactant ), sodium percarbonate ( a form of oxygen bleach ), sodium carbonate ( washing soda ) and various perfumes like e . g . limonene.