Ads
related to: will ph down lower alkalinity in pool
Search results
Results From The WOW.Com Content Network
Alkalinity. Sea surface alkalinity (from the GLODAP climatology). Alkalinity (from Arabic: القلوية, romanized: al-qaly, lit. 'ashes of the saltwort ') [1] is the capacity of water to resist acidification. [2] It should not be confused with basicity, which is an absolute measurement on the pH scale.
Human tears have a pH of 7.4, making this an ideal point to set a pool. [13] More often than not, it is improper pH and not the sanitiser that is responsible for irritating swimmers' skin and eyes. Total alkalinity should be 80–120 ppm and calcium hardness between 200 and 400 ppm. [14] [failed verification]
By definition, pOH is the negative logarithm (to the base 10) of the hydroxide ion concentration (mol/L). pOH values can be derived from pH measurements and vice-versa. The concentration of hydroxide ions in water is related to the concentration of hydrogen ions by. where KW is the self-ionization constant of water.
Salt water chlorination is a process that uses dissolved salt (1000–4000 ppm or 1–4 g/L) for the chlorination of swimming pools and hot tubs.The chlorine generator (also known as salt cell, salt generator, salt chlorinator, or SWG) uses electrolysis in the presence of dissolved salt to produce chlorine gas or its dissolved forms, hypochlorous acid and sodium hypochlorite, which are already ...
Sodium hypochlorite can also be obtained as a crystalline pentahydrate NaOCl·5H2O, which is not explosive and is much more stable than the anhydrous compound. [6][7] The formula is sometimes given in its hydrous crystalline form as 2NaOCl·10H2O. [17] The Cl–O bond length in the pentahydrate is 1.686 Å. [9]
Concrete is mostly damaged by the corrosion of reinforcement bars due to the carbonatation of hardened cement paste or chloride attack under wet conditions. Chemical damage is caused by the formation of expansive products produced by chemical reactions (from carbonatation, chlorides, sulfates and distillate water), by aggressive chemical ...