Formulated to provide precise pH determinations, these buffer solutions which are standardized against N.I.S.T.-certified reference samples, are ideal for calibrating electrodes and pH meters. The buffers are color-coded to avoid error and accurate to within ±0.01 pH at 25°C (77°F). Each buffer contains a preservative/mold inhibitor and a shrink-sealed cap to prevent contamination and leakage. Temperature compensation charts are included with each buffer solution. The shelf life of the buffer solutions are 1 Year.
Rated 4 out of
5 by
christy from
pH buffersI bought pH buffers in 1 gallon jugs. Good value. Will buy again.
Date published: 2016-06-30
Rated 4 out of
5 by
Jordan from
Great Product DOESN'T COME IN BOTTLESPh solution worked as advertised but was disappointed that the solution came in UN-resealable bags. I was under the impression they were in bottles.
Date published: 2020-06-13
Rated 5 out of
5 by
Sara from
PH Buffer SolutionGood Customer service, On time Delivery, Over all no complaints, Good Business! Thank You!
Date published: 2020-04-20
Rated 4 out of
5 by
nkrasco from
Great SamplesWe bought these pH buffers solutions for our internal R&D use. So far, they are exactly what we needed. Working very well!
Date published: 2019-04-16
Rated 5 out of
5 by
DirtCamp Brewering from
Great ServiceEasy online ordering. Prompt service and reasonable price.
Date published: 2018-05-29
Rated 5 out of
5 by
SheliaA from
Great Calibrated pH BuffersWe are always pleased with the calibrated pH buffers.
Date published: 2018-04-25
Rated 5 out of
5 by
alltatup from
Solid Performance for the life of the bottleI use about 1 gallon over a nine-month period, and the expiration date on the bottle assures me that it's still accurate. This is a great price for a great product, which is why I will keep coming back to Omega.
Date published: 2017-10-31
Rated 5 out of
5 by
Rex Roto from
Good ServiceI bought some items and the website is easy to maneuver and my order shipped quickly
if i'm need the NIST traceable certificate, where i can download this documents?
Asked by: rachel82
Thank you for your inquiry. If you had purchased the buffer solution with a NIST certificate, please email sales@omega.com and a Customer Care representative will able to email a copy of the cert.
Answered by: JC ENGR
Date published: 2020-09-09
If buffers are susceptible to contamination, how long are they good for after opening the container?
Asked by: Brent O
pH buffer solutions have 1 year shelf life. You should follow the expiration date on the bottle.
Answered by: SAE HPO
Date published: 2020-04-13
Does the Standard Certificate Type provide a NIST traceable certificate or do I have to select the CAL Certification?