What Boiler Water Tests are Used for Treatment Control?
Routinge control teste of the boiler water vary according to the type of chemical treatment used but they may include tests for: alkalinity,m phosphate, sulphate and organic color. Boiler water hardness tests are not often made because it is generally assumed that if there is enough alkalinity and/or phosphate present in the boiler-water, the hardness has reacted completely. In testing for sulphate it is assumed that if an adequate ridual is present, the feed-water oxygen has been removed;this may not always be true, especially if the sulphate feed is not continous and if ordinary uncatalyzed sodium sulphate is used. Generally antifoams are incorporated in organic treatments so testing for organic color gives an indication both of sludge conditioner present as well as level of antifoam treatment.
