water hardness – Hard and Soft Water

The Best Water Hardness Test Kits: How to Choose the Right One for You

Tasrik — Tue, 09 Aug 2022 13:00:00 +0000

Are you looking for the best water hardness test kit? If so, you’re in luck! In this article, we will discuss some of the best options on the market and how to choose the right one for you. Water hardness …

Determination of permanent hardness of water

Tasrik — Wed, 22 Jun 2016 13:00:24 +0000

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

Tasrik — Tue, 31 May 2016 13:00:26 +0000

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 …

Lime soda process

Tasrik — Wed, 22 Jan 2014 13:30:54 +0000

Lime soda process is one of the water softener systems. In this system calcium hydroxide and soda ash are used as reagents. By this process soluble magnesium and calcium salts are removed as calcium carbonate and magnesium hydroxide precipitated. After …