英語 での The ph value の使用例とその 日本語 への翻訳
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When it falls below pH 9.0, deterioration starts. The lower the pH value is, the more degradation progresses.
Slight pH variations of just 0.005 units can change the chemical shift of NMR spectra, the pH value should be adjusted to more than+/- 0.04 tolerance, but this necessitates careful pH adjustment.
Ammonium paramolybdate production: when the solution concentration is 10 mol/ L, the pH value was adjusted to 5.5, so can obtain ammonium heptamolybdate.
They are evenly stirred by compressed air, acid or alkali is added to adjust the pH value of the waste liquid, mixed with a coagulant, and then clarified by entering the slanting plate clarifier.
But what does the pH value of samples taken 50 years after the erection of these building prove regarding their pH value shortly after they were built?
One should examine which of the unknown solutions AE, which contains ions, the pH value they have, what containing chloride ions and which contains sulphate ions.
And a little more information makes the measurement process even more efficient! Combine measurement of the pH value with temperature: The pH value and temperature play an important role, particularly in food production.
For children or elderly people, alkaline ionized water with low pH(around pH8 to 8.5) should be used at first, and as they become accustomed to it the pH value may be gradually increased.
Ionization is generated when the cation is all hydrogen ion(H+) compound called acid, 25 C, the dilute solution of the pH value is less than 7.
Spring quality、In the LAN Yang plain of sedimentary rock area spas、Keep water crystal clear clarity、Water temperature is about 36 to 45 degrees、the pH value is about pH7.7 sodium hydrogen carbonate hot spring。 Especially not the smell、Smooth and skin over the spring and silky smooth、Tender soon will be!
Basic reaction characteristics of acid(acid)|Basic reaction characteristics of acid(acid)- 519697 ionization is generated when the cation is all hydrogen ion(H+) compound called acid, 25 C, the dilute solution of the pH value is less than 7.
The PH value of Oshuku Onsen is"8.5".
It contains little water-soluble substances and the PH value of it is 7~8, almost neutral, so it will cause no corrosion to the metal.
CSA cement(Calcium Sulfoaluminate Cement) hydrate reaction medium's alkali rate is low, the PH value is around 10.5~11 while Portland cement hydrate reaction medium's alkali PH value is around 13.
What is the pH value?
We speak of the pH value.
What does the pH value mean?