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The pH should be close to 4 and no higher than 5.
A pH reading of four is about right for them.
The blood needs a to be at a pH of 7.4.
They all can be changed a bit by big pH changes.
We need a pH of around 7 and no more then 8.5.
The pH of blood is usually between 7.35 and 7.45.
Do you see anything we could use to raise your blood pH?
He was also first to determine the pH of blood.
The first test, he said, is to determine the pH level.
The soil should have a pH of 5 or up to 8.
Put some of each type in a cup and check out the pH.
Most plants grow best at a pH of 6 to 6.5.
The lower the pH, the more acid is the water.
But what you eat does not determine your blood's pH level.
People will always need pH, was one of his predictions.
But the trend would be for the pH to increase, however.
You should see the pH changes in a memorable way.
The pH level of a basic solution is higher than 7.
This is a good time to check the soil pH.
However, yellow leaves can also mean that the pH is too high.
The lower limit of the pH range is about 4.0.
If the pH changes, things like this, then watch with a meter.
The river was tested in 2009 and had pH levels of 7.6.
Iron, particularly, becomes less available as the pH goes higher.
Only within the range of pH 7.39 to 7.43 would it grow well.
It will change from red to yellow color when the pH value decreases.
Therefore pH values on the different scales cannot be compared directly.
The pH value of a concentrated solution will lie between 5 and 6.
Thus, measured pH values will lie mostly in the range 0 to 14.
The culture is kept under lighting with temperature and pH value held constant.
Variation in growth rate across pH values of 4, 7 and 9 was insignificant.
Phenolphthalein changes color over a range of pH values between 8 and 10.
But most important, the soil must be distinctly acid - it should have a pH value between 4 and 5.2.
If we lower the pH value, make it neutral, it'll go inert.
At the same time, the pH value of the water needs to be above 8,0 (slightly alkaline).
Deteriorating water quality is indicated by the recorded pH values of 4 to 8.5.
The varying color corresponds to the pH value of the cocoa.
In particular, red rot occurs at pH values of 4.2 to 4.5.
Only at lower pH values was a clear positive 580-nm absorption change observed (data not shown).
The normal pH value ranges from 5.4 to 6.8.
It has a pH value of 5.5 which means it is slightly acid.
At room temperature, this usually happens for PH values between 4.5 and 8.3.
The soap bar had a determined pH value: 9.5.
A basic ejaculate (higher pH value) may indicate an infection.
It is not necessarily precisely -1 because there are a few funky things that go on for very low or high pH values.
The pH value can be measured using a patch that is just a few millimeters in size.
The reaction might be disturbed at higher pH values, interfering with other compounds.
Soil with a pH value higher than 7.3 is normally referred to as alkaline.
Simple pH values - but what about the re-calibrating?
Many companies are working to develop technologies that might efficiently exploit the potential of hydrogen energy for mobile uses.
European auto executives do not dispute the long-term potential of hydrogen as a replacement for gasoline.
To all detractors, please think a bit further and wider than usual into the future and about the potential of hydrogen.
The potential of hydrogen as a clean form of power has long been recognised, and technologies in this area are constantly being improved.
Precipitation with low potential of hydrogen levels (pH), otherwise known as acid rain, is also a frequent risk produced by lightning.
At this point, reaction discovery is useful, but more detailed mechanistic study is required to realize the full potential of hydrogen bond catalysis.
UKH2Mobility will deliver its evaluation of the potential of hydrogen as a transport fuel by the end of 2012.
Ionizations can only be caused by photons having at least the frequency , corresponding to the ionization potential of hydrogen which is 13.6eV:
The destructive potential of hydrogen was spectacularly demonstrated in the explosion of the space shuttle Challenger two years ago and in the 1937 crash of the airship Hindenburg.
All this hybrid talk has helped to hush some of the buzz over the potential of hydrogen, though a fuel-cell car is now in the hands of a California family, the Spallinos.
Scientists have been trying for years to realize the potential of hydrogen, but they have been thwarted by the problem of storing the gas, which is highly explosive and needs to be kept in high-pressure containers.
"It's a potential hijacking," said Jeremy Rifkin, an adviser to Mr. Prodi and the author of "The Hydrogen Economy," (Tarcher, 2003) which extols the potential of hydrogen.
This does not mean that there really is no energy needed or produced to make elemental O2, it is just a baseline agreement (like the way we say that a mole of C-12 is 12g, or that the half-cell standard reduction potential of hydrogen is 0 volts).
Wörterbuch für chemische Begriffe
