Hard and Soft Water – Page 7 – Hard and soft water provides information on water filter, softener and water purification or treatment systems

Determination of permanent hardness of water

June 22, 2016June 21, 2016 Tasrik Leave a comment

The available methods for determination of permanent hardness of water are O’Heners method, EDTA method and Soap titration method. Initially we have to know; what is hardness? –Hardness is due to presence of bicarbonate, sulphates, chlorides and nitrates of calcium …

Determination of total hardness of water

May 31, 2016May 31, 2016 Tasrik Leave a comment

To determine the Total Hardness of Water, EDTA is the easiest method. Reason, EDTA reacts with all metal without alkali metal and the proportion is 1:1. The main cause of water hardness is dissolved salts of calcium and magnesium. Moreover …

Determination of total amount of cations in water

April 27, 2016April 27, 2016 Tasrik 1 Comment

Different types of metal salt are dissolved in natural, industrial or any other water. Therefore, the water contains different type of cations. The cations in water can be determined by using cation exchange resin. They are electron donors and …

Problems of iron and copper in pool water

March 30, 2016July 5, 2020 Tasrik 3 Comments

The presence of metal such as manganese, iron and copper in pool water can lead to discolor the water when chlorine or any other oxidizer is added. It does not affect on the clarity of the water too much. Magnesium

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Water Summit for clean drinking water in Minnesota

March 18, 2016March 18, 2016 Tasrik Leave a comment

Governor’s Mark Dayton called his first Water Summit at the Intercontinental Saint Paul Riverfront Hotel, to focus public attention on how to clean drinking water and other supplies. The summit is held on Saturday, dated 27.02.2016. More than 800 individuals, …

What is the reason for bubbles in bottled water

February 15, 2016February 15, 2016 Tasrik 2 Comments

What is the reason for bubbles in bottled water? – The main reason for bubbles in water bottle is dissolved gases. There are many reasons for dissolving gases in the water. The amount of gases dissolved in water depends …

Total dissolved solids in pool water

January 12, 2016January 12, 2016 Tasrik 2 Comments

Generally the total dissolved solids in pool water are always rising. TDS is the measure of the total amount of the soluble substances that are dissolved in the water. The including soluble substances are calcium, manganese, sodium, copper, iron, other …

Determination of chloride in water by mohr method

December 15, 2015December 4, 2015 Tasrik 9 Comments

Mohr method is one of the significant methods for determination of chloride in water. It is also known as Argentometric method. Chloride ion is a negatively charged ion. This method is appropriate for neutral or slightly alkaline water. Water sample …

Swimming pool pH balance – maintaining pool water pH level

December 1, 2015November 30, 2015 Tasrik Leave a comment

The swimming pool pH level is one of the most significant factors in pool water balance. The pH is the determination of the acidity or alkalinity of the water. pH means hydrogen ions molar concentration in a solution. It is …

Pool calcium hardness increaser and reducer

November 1, 2015October 29, 2015 Tasrik 1 Comment

The total mineral that contains in the pool water such as calcium, magnesium, iron, manganese and sodium are responsible for Total hardness. On the other hand, pool calcium hardness means the amount of calcium ions concentration in water express as …