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generally pH of d.m water i.e. out from mixed bed exchanger is 6-7.5.
but the boiler feed water criteria is different. hence before feeding to the boiler again pH and electrolites checked.
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What is the approximate pH in distilled water?
pH electrodes will NOT give accurate pH values in distilled or deionized water. This is because distilled and deionized water do not have enough ions present for the electrode to function properly. The readings will drift and be essentially meaningless. pH buffers are the best solutions in which to test your pH electrodes. Tap water usually has enough ions present to allow a pH electrode to function properly. Because of this, tap water is a good short term (~24 hours) solution for storage. Also, keep in mind that water (distilled, deionized, or tap) is NOT "pure" (i.e., pH equal to 7). The moment it comes in contact with air, CO2 gas begins dissolving into it, forming carbonic acid. The actual pH, therefore, will often be slightly less than 7. If you need to accurately measure the pH of a very pure sample of water, the ionic strength of the water can be adjusted without changing the pH of the water
What is the pH value of sea water?
The pH value of salt water is 8.
Why is the conductivity value of deionized water subtracted from the conductivity values of molecular compounds?
because
What is the pH value of argan oil?
Argan oil does not have a PH value. PH can only be measured in aqueous solutions; water. Because vegetable oils do contain water they do not have a PH value.
What is the pH value of vitamin water?
3.4 is the pH of Vitamin Water.
What will happen when carbon dioxide is introduced into deionized water?
the pH of the water is lowered
What is the approximate pH in distilled water?
pH electrodes will NOT give accurate pH values in distilled or deionized water. This is because distilled and deionized water do not have enough ions present for the electrode to function properly. The readings will drift and be essentially meaningless. pH buffers are the best solutions in which to test your pH electrodes. Tap water usually has enough ions present to allow a pH electrode to function properly. Because of this, tap water is a good short term (~24 hours) solution for storage. Also, keep in mind that water (distilled, deionized, or tap) is NOT "pure" (i.e., pH equal to 7). The moment it comes in contact with air, CO2 gas begins dissolving into it, forming carbonic acid. The actual pH, therefore, will often be slightly less than 7. If you need to accurately measure the pH of a very pure sample of water, the ionic strength of the water can be adjusted without changing the pH of the water
Is deionized water a mixture?
Pure, deionized water is a compound (H2O).
Why is the conductivity value of deionized water subtracted from the conductivity values of molecular compounds?
because
What is the pH value of sea water?
The pH value of salt water is 8.
Is deionized water an element?
The deionized water is not an element, but it is a very pure water, without ions in solution.
What is the pH value of argan oil?
Argan oil does not have a PH value. PH can only be measured in aqueous solutions; water. Because vegetable oils do contain water they do not have a PH value.
What is the pH value of vitamin water?
3.4 is the pH of Vitamin Water.
What is the PH value in boiler feed water?
the pH value in boiler feed water is 9.2
What is the pH of deionized water?
The pH of deionized water tends to be lower than normal water because the dissolved salts (ions) in the normal water can somewhat neutralize or "buffer" the carbon dioxide (CO2) that is also dissolved in the water. There is always some CO2 dissolved in water that comes from the air, and this CO2 exists in the water as H2CO3 (carbonic acid), as well as the bicarbonate ion (HCO3-) and carbonate ion (CO3 --) in solution. When there are no other ions in the water, the HCO3 has a stronger effect on the pH, because without other ions to buffer the acid, the water becomes very sensitive to small amounts of CO2 and the result is that the pH is lower. To make deionized water, the water is passed through ion-exchange resins that remove ions like Na+ and Ca++ and replace them with H+, and remove ions like Cl- and replace them with OH-. This process can also affect the pH but the overall affect is still from the dissolved CO2 that will still be present, or will re-dissolve in the water after deionization from contact with air. Deionization does NOT sterilize the water unless some sterilization method is also used. Distilled water is somewhat like deionized water except that the water is boiled to make water vapor and then condensed back to liquid water, leaving the dissolved salts (ions) behind. This can have some sterilization effect as well. Sterilized water is typically heated and cooled, killing organisms, but this does not remove the salts or ions. Reverse osmosis is a filtration process that can remove ions AND sterilize the water to a large extent. There are home units available that can be mounted under the sink but they are pretty expensive. From a chemist working in the water treatment industry
Where does lemon juice lie on the pH scale?
Lemonade has a pH of about 2 or 3. Acidic substances have pH's below 7 and while bases have pH's above 7. Pure water (deionized) has a pH of 7.0. (Tap water is generally slightly acidic with a pH of ~6.5).
What is pH value of tap water and what color you get of pH paper in this case?
pH value of tap water is 6.Dark green color is observed.
