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Soft washing is a cleaning method using low pressure water. More recently, the term "softwashing" has been used to describe any form of spraying chemicals at buildings where solutions (typically sodium hypochlorite based softwashing chemicals) are used to remove mildew, bacteria, algae and other organic stains from roofs and other building exteriors.
ARMA discourages the use of a pressure washer, a flat-surface cleaner or any other mechanical device to clean a roof. Safe, effective soft washing cannot be achieved with a pressure washer, as the Venturi device (downstreaming) cannot achieve sufficient strength of solution to kill the organisms, cleaning the roof. Use of different tips on the ...
The following is a sample recipe for TBST: 20 mM Tris; 150 mM NaCl; 0.1% Tween 20; Adjust pH with HCl to pH 7.4–7.6 The simplest way to prepare a TBS-Tween solution is to use TBS-T tablets. They are formulated to give a ready to use TBST solution upon dissolution in 500 ml of deionized water. [1]
Trisodium phosphate was at one time extensively used in formulations for a variety of consumer-grade soaps and detergents, and the most common use for trisodium phosphate has been in cleaning agents. The pH of a 1% solution is 12 (i.e., very basic), and the solution is sufficiently alkaline to saponify grease and oils.
Purposes of cleaning agents include health, beauty, removing offensive odors, and avoiding the spread of dirt and contaminants to oneself and others. Some cleaning agents can kill bacteria (e.g. door handle bacteria, as well as bacteria on worktops and other metallic surfaces) and clean at the same time. Others, called degreasers, contain ...
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When Melissa Lamesch is found dead at home in Mt. Morris, Illinois, on the day before Thanksgiving, authorities zero in on Matthew Plote, a man trained to save lives, not take them.
The year 2024 may have been the sweetest one yet—and The Pioneer Woman's top ten dessert recipes are proof of it! Looking back on the year of sweet treats brings to mind images of pie slices ...