Many thanks for the excellent replies. I am very happy with the value of 5.1 which two of you kindly sent.Best wishesJon CooperOn 5 Oct 2019 22:51, Bob Cudney wrote:
Hello Jon,
That JCSG+ reagent is a copy of Hampton Research PEG/Ion reagent 48. While there is no pH adjustment made during the
As was suggested, you can take a small drop and use pH paper to get a rough
idea of the pH.
The pH will go acidic over time as you have 20% PEG in there. This is an issue
with all PEG conditions, so your specific pH will not be known by someone
outside your lab as they don't know how old your
Although it sounds as though this condition was not pH adjusted by the company,
here are a couple of suggestions that are applicable to ANY commercial screen
condition.
1) Try looking at the company's web site for details on how the solution was
made, or failing that, try calling the company
Does anyone know the pH of JCSG+ condition A3 which is stated as 0.2 M ammonium citrate dibasic, 20% (v/v) PEG3350. I can't really measure it myself, so any help much appreciated!
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