Wanklyns soap solution by Research Lab Fine Chem Industries is a high grade reagent. It is available as a clear, colourless liquid which is soluble in water. It has a boiling point of 78 C. This solution is an ethanolic soap solution with a 1 degree of hardness on the Wanklyn scale, i.e. 1 cm3 is equivalent to 1 mg calcium carbonate (CaCO3). For best performance it is advised to store the reagent in a cool and dry place and use before expiry. Quantity Provided: 500 ml per bottle 1ml = 1 mg CaCo3 Suitable for testing water hardnessWanklyns soap solution has a variety of applications in chemical and biological sectors. This reagent solution is often used to test the hardness of water. It is generally employed in textile industries for this purpose. This reagent is suitable for industrial synthesis of products and research applications.