[DIYbio] Re: cheap pH Meter experiences

From my experience in the home beer brewing community, the prevailing advice on inexpensive pH meters is to skip the <$50 ones and spend a little more for something more reliable that will last a bit longer.  Two of the most recommended meters are as follows and there is a nice little summary on the Milk the Funk website here: http://www.milkthefunk.com/wiki/PH_Meter#Recommend_pH_Meters

http://www.hach.com/pocket-pro-ph-tester-with-replaceable-sensor/product?id=17990686211

http://www.milwaukeetesters.com/MW102.html


On Friday, 3 March 2017 16:40:58 UTC-6, Mega [Andreas Stuermer] wrote:
Hi guys! 

I want to do some enzyme chromatography. Now to elute or bind proteins to the column material you need certain pH values. 

I was basically wondering if a cheap pH meter will do (and, what is cheap). There are some for 12-23$ on Amazon, alledgedly with "good" accuracy. I immagine that the proteins will still elute from the column if the pH is actually 4.05 instead of 4.00 - maybe just a bit worse yield? 

I would rather not mess around and invest 100-200$ in one that will master the job with excellence. But then - maybe it comes from the same chinese factory and isn't better in any way... 

Any recommendations? Would be extremely appreciated! 



--
-- You received this message because you are subscribed to the Google Groups DIYbio group. To post to this group, send email to diybio@googlegroups.com. To unsubscribe from this group, send email to diybio+unsubscribe@googlegroups.com. For more options, visit this group at https://groups.google.com/d/forum/diybio?hl=en
Learn more at www.diybio.org
---
You received this message because you are subscribed to the Google Groups "DIYbio" group.
To unsubscribe from this group and stop receiving emails from it, send an email to diybio+unsubscribe@googlegroups.com.
To post to this group, send email to diybio@googlegroups.com.
Visit this group at https://groups.google.com/group/diybio.
To view this discussion on the web visit https://groups.google.com/d/msgid/diybio/390ca581-f87b-4658-b308-247ca0d2eb1d%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

  • Digg
  • Del.icio.us
  • StumbleUpon
  • Reddit
  • RSS

0 comments:

Post a Comment