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CT Values are an important part of calculating disinfectant dosage for the chlorination of drinking water.A CT value is the product of the concentration of a disinfectant (e.g. free chlorine) and the contact time with the water being disinfected.
Dilution factor is a notation often used in commercial assays. For example, in solution with a 1/5 dilution factor (which may be abbreviated as x5 dilution ), entails combining 1 unit volume of solute (the material to be diluted) with (approximately) 4 unit volumes of the solvent to give 5 units of total volume.
1:4 dilution is used for wound management applications; this contains 0.25% (w/v) available chlorine and has a pH of 10.5–11.2. [ 1 ] [ 2 ] The fluid has been used in endodontics , for example to irrigate an infected root canal , although it is not medically licensed for use in the mouth.
A serial dilution is the step-wise dilution of a substance in solution, either by using a constant dilution factor, or by using a variable factor between dilutions. If the dilution factor at each step is constant, this results in a geometric progression of the concentration in a logarithmic fashion.
Percent active chlorine is a unit of concentration used for hypochlorite-based bleaches.One gram of a 100% active chlorine bleach has the quantitative bleaching capacity as one gram of free chlorine. [1]
Substance Formula 0 °C 10 °C 20 °C 30 °C 40 °C 50 °C 60 °C 70 °C 80 °C 90 °C 100 °C Barium acetate: Ba(C 2 H 3 O 2) 2: 58.8: 62: 72: 75: 78.5: 77: 75
Serial dilution of a solution results, after each dilution step, in fewer molecules of the original substance per litre of solution. Eventually, a solution will be diluted beyond any likelihood of finding a single molecule of the original substance in a litre of the total dilution product. The "Korsakovian" method may also be used.
Calcium hypochlorite is an inorganic compound with chemical formula Ca(Cl O) 2, also written as Ca(OCl) 2.It is a white solid, although commercial samples appear yellow. It strongly smells of chlorine, owing to its slow decomposition in moist air.