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Results tagged with solutions
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user 68520
This tag should be applied to questions dealing with solutions of any kind. A solution is a liquid or solid phase containing more than one substance where, for convenience, one (or more) substance(s) called the solvent is treated differently from the other substances, which are called solutes. If water is the solvent, then the more appropriate 'aqueous-solution' tag should (also) be specified.
1
vote
How do I calculate the amount of preservatives one would need for a cleaning solution?
Most producers/suppliers have recommendations for concentration ranges of their products. If you can´t get it directly, it is often possible to find the information on their websites (e.g. Schülke or …
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1
vote
Suitable safe cleaning solution for aliphatic urethane
Oxalic acid is good at removing rust (iron oxides) and generally not agressive against polymers like polyurethanes.
Chemical resistance of polymers is however a complicated area, because polymers come …
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1
vote
Is a diluted aqueous solution of sodium hypochlorite more stable than a concentrated solutio...
Everything else equal, dilute solutions of hypochlorite are more stable than concentrated. … Many manufacturers of hypochlorite issues detailed information about stability, handling and safety of hypochlorite solutions, e.g.: OXY …
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6
votes
Accepted
When making a calibration curve, do we have to use the wavelength at maximum absorbance?
No it doesn’t. Measurements can in principle be made at any wavelength.
If there are two colored specimens in the same solution, it is actually better to measure at the wavelength where the differenc …
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