Examples of 'ph of at least' in a sentence
Meaning of "ph of at least"
ph of at least: This phrase refers to a minimum acceptable level of pH in a solution or substance
How to use "ph of at least" in a sentence
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ph of at least
A pH of at least 5 is required in order to remove the ammonium.
The medium subject to heating has a pH of at least 5.
It teaches that a pH of at least 8 is required for stabilising of the suspension.
The heated medium generally has a pH of at least 5.
In practice, an apparent pH of at least about 3 readily cleaves the trichloroacetyl group.
The slurry should have a pH of at least 5.
Solutions having a pH of at least 11 are very suitable for use in the present invention.
The medium subjected to the heating generally exhibits a pH of at least 5.
The slurry should have a pH of at least 5 to about 8.
The pH adjusting component preferably provides a wash solution pH of at least 8.
A pH of at least pH 5, prior to concentration or diafiltration.
A composition according to any of the preceding claims having a pH of at least 9.
Alkali carriers ensure, for example, a pH of at least 9 if an alkaline pH is desired.
The conditions of laundry liquors are invariably alkaline, usually having a pH of at least 9.
Forming a first solution having a pH of at least 3 comprising, water ;.
See also
A pH of at least about 12 has been found to be suitable for most samples.
The residue is then extracted with a basic aqueous solution having a pH of at least 11.
Adjusting the pH to a pH of at least 8 to yield a basic aqueous solvent, and.
It is preferable to use acidified water having a pH of at least 1.5.
A cleaning composition having a pH of at least 8, ' the cleaning composition comprising.
Vegetables are first blanched in an alkaline solution having a pH of at least 11.
A buffer having a pH of at least about pH 7.3 may be used in the present invention.
The water solution has preferably a pH of at least 12.
A pH of at least 5.0 is required for successful reproduction and maintenance of self-sustaining populations.
The detergent composition has a pH of at least about 10.
A pH of at least 3.0, whereby growth of a microorganism is inhibited.
The detergent concentrate has a pH of at least 10.
To this end, a pH of at least 12.0 is preferably established in the aqueous phase.
In the present embodiment, the basic solution has a pH of at least 7.
The eluent D is maintained at a pH of at least 0.5 lower than that of the eluent B.
In some aspects of these embodiments, the composition has a pH of at least 8.
Preferably, the composition has a pH of at least 5, and more preferably still, greater than 6.
A process according to claim 1, wherein said reaction solution is at a pH of at least about 11.
The polymer emulsions usually have a pH of at least 7, often at least 9.
A buffered incubation solution containing a source of ferric ions having a pH of at least 6.2 ;.
Aqueous alkaline developers generally have a pH of at least 7 and preferably of at least 11.
A process according to claim 1, wherein the hydrolysis is carried out at a pH of at least 4.
The rinse solution is effective at a pH of at least 4 but not more than 11.
A paint in accordance with claim 1 wherein said solvent fraction has a pH of at least 13.
The composition has a pH of at least 9.
In many cases, the aqueous solution of the electrolyte has a pH of at least 7.
Such buffers or salts have a pH of at least about 5.5.
A process according to claim 16, wherein said solution has a pH of at least 10.
The base preferably forms a basic solution having a pH of at least 13, more preferably at least 14.
The microfluidic device of paragraph 7b, wherein the liquid has a pH of at least about 10.
Preferably, equilibration takes place at a pH of at least about 5.5.
An alkaline source in an amount sufficient to produce a pH of at least 10.5 ;.
The compositions of the invention preferably have a pH of at least 1.5, and / or less than 5.
The method of claim 24, wherein the elution solution is a buffer having a pH of at least 9.0.
A solution as claimed in claim 1 or 2 having a pH of at least about 10.
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