Most saprophytic organisms and many parasitic ones grow within a wide range of H ion concentration so that titration with phenolphthalein gives sufficient accuracy for media for such organisms.
On the other hand, many organisms grow within a very narrow range of H ion concentration, hence accurate standardization to a definite H ion concentration is necessary.
The H ion concentration is ordinarily indicated by the conventional symbol P{H}, e.
There are a number of indicators each of which will show color changes within rather narrow ranges of H ion concentration.
H ions, consequently it is better to determine the concentration of H ions and to standardize to a definite H ion concentration.
When there is no magnetic force acting on the ion these periods are equal, but though under the action of a magnetic force they are separated, their number cannot be increased.
The splitting up of a single line into a quartet or sextet indicates, from the point of view of the ion theory, that the line must have its origin in a system consisting of more than one ion.
A single ion having only three degrees of freedom can only have three periods.
The chemist has long come to recognise that in the ion he is concerned with the inner mechanism of a large number of chemical phenomena.
It may be now stated that it has been found by experiment and supported by theory that the clumping power of an ion rises very rapidly with its valency; that is with the number of unit charges associated with it.
The answer probably is that the newly formed 231 ion is instantly used up in a fresh chemical combination.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "ion" in a variety of sentences. We hope that you will now be able to make sentences using this word.
