A pH meter must be standardized because it measures relative potentials and thus relative pH. It is necessary to know to what the measurement is relative. A standard must be measured and the meter set to the known value for this standard. The pH values of other solutions are then measured relative to this standard.
A pH meter is an ion selective electrode (H+), it gives pH to a far more accurate figure and leaves no room for interpretation (based on wetness of strip, colour may appear to show different pHs with univ. indicator
Life works at physiological pH and temperature. pH is the measure of concentration of hydrogen ion in a buffer that regulate the alkaline and acidic nature. High alkaline pH or acidic pH are not suitable for all bacteria to survive and grow. Hence we need to check the pH of any media.
Sorry, but there is only one solution. However, there are two ways to make these solutions. First you find the pH of either using litmus paper taht either turns red or blue indicating an acid or a base. Secondly, you can make your own natural pH indicator using red cabbage or blueberry. [[User:Bowler225|Bowler225]] 16:41, 18 Mar 2009 (UTC) There are many indicators. They change color at set pHs, which is known as the "transition range." Common indicators are Bromothymol Blue, Bromocresol Blue, Phenolphthalein and Methyl Orange.
For example is a pH-meter.
The conditions necessary for seed germination include:optimum temperature,oxygen,adequate supply of water,sunlight,moisture content,soil ph......
Standardize the pH meter using a buffer solution of known pH value.Basically take buffer of pH value 4.Then set zero reading in the pH meter.Now remove unknown buffer solution.(take care with atmospheric temperature.)
The pH is determined with a pH-meter.
A pH meter shows how acidic or basic a substance is
A pH meter determines acidity or alkalinity of a substance.
With a pH meter or pH paper. Other indicator dyes (e.g. litmus, phenolphthalein) may be used if it is not necessary to determine the exact numerical pH value.
To measure pH accurately in a solution, you can use a pH meter or pH strips. A pH meter provides a digital reading of the pH level, while pH strips change color based on the pH level of the solution. Simply dip the pH meter probe or pH strip into the solution and read the pH value indicated.
The pH is determined with a pH-meter.
We can use a pH paper.
You need a pH-paper or a pH-meter.
A pH meter works by measuring the concentration of hydrogen ions in a solution. It uses a glass electrode that generates a voltage proportional to the pH of the solution. This voltage is then converted into a pH reading displayed on the meter.
Using a calibrated pH-meter with correction for temperature and slope.
Using a pH-meter the measurement is more accurate and sure.