In this case the crystals will settle in the trap or some other place in the pipes and won t dissolve.
Caustic soda drain cleaner ph.
In the cleaning industry the term buffer is generally used to describe cleaning products that resist change in ph when diluting with water.
It cleans pipes by dissolving fats and grease into soaps which readily dissolve in water.
Poor quality crude oil can be treated with sodium hydroxide to remove sulfurous impurities in a process known as caustic washing.
Caustic soda more commonly known as sodium hydroxide or lye can clean a drain quickly but it s very aggressive which means you ve got problems if you use it in the wrong way like pouring the crystals directly into the drain.
The resultant salt nacl is the corrosive agent used in the standard neutral ph salt spray test.
The ph value of sodium hydroxide and potassium hydroxide is 14 and 12 respectively on the ph scale.
Caustic soda can also be easily dissolved in water which is one reason why many drain cleaning services use it as the first line of offence in the battle against blocked drains.
The main source of caustic soda was red devil lye but that product is off the market now.
Make sure the product is 100 sodium hydroxide lye or caustic soda.
There are still a few ways to get the chemical.
According to engineering toolbox caustic soda has a ph of 14 which is is at the upper end of the ph scale and makes it as dangerous as hydrochloric acid found at the lower end and has a ph from 0 to 1.
Oxidizing drain cleaners contain sodium hypochlorite which is a base and it has a ph of 11 in diluted form.
Both the baking soda and vinegar and the baking soda and salt methods can be used to clean and freshen your garbage disposal.
Why is it hard to get lye.
Freshen your drains by adding 1 2 cup of baking soda to the drain and allowing it to sit overnight then flushing with hot water or hot vinegar in the morning.
When you have a clogged drain and you re in need of a quick fix it might be tempting to turn to a chemical drain cleaner.
As above sodium hydroxide reacts with weak acids such as hydrogen sulfide and mercaptans to yield non volatile sodium salts which can be removed.
Sodium hydroxide is used with hydrochloric acid to balance ph.
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Hence caustic drain cleaner has a ph of from 12 o 14.
The reason is because it can be used to control ph during methamphetamine production.
When a strong alkali such as caustic soda is added the weak acid reacts with the strong alkali forming more sodium acetate without a shift in ph.
