Already have an ACS ID? Log in
Renew your membership, and continue to enjoy these benefits.
Already an ACS Member? Log in here
Choose the membership that is right for you. Discounts will be applied automatically at checkout.
Enjoy these benefits no matter which membership you pick.
Most Popular in Education
“Today my chemistry professor had us test out the effectiveness of different pH buffers in a 96 well tray, and the results were stunning,” college student and reddit user PollitaLoquita says. Each row contains a different indicator, listed below, and each column contains a buffer at a certain pH, ranging from acidic on the left to basic on the right. Students learned about the effective range of each indicator and practiced using the indicators’ color charts to determine pH.
A Thymol blue
C Congo red
E Bromothymol blue
G Indigo carmine
H Universal indicator, a mix of a few different indicators including some of the above
Do science. Take pictures. Win money. Enter our photo contest here.
Related C&EN Content:
This article has been sent to the following recipient: