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DescriptionNeed buffer solution pH 7?
We supply buffer solution pH 7 in 1L, 2.5L and 5L containers with discounts available for bulk orders
pH value at 20 degree Celsius ranges between 6.98 and 7.02
We also supply buffer solution pH 4, pH 9, pH 9.2 and pH 10 as wel as ammonia buffer solution
In addition, all our products comes with further options, such as customised labelling and specific pack sizes
What are buffer solutions?
Buffer solutions are solutions containing a weak acid and its strong conjugated based or vice-versa. These solutions are very resilient to pH changes and, within a certain range, maintain the same values even if large amounts of acid or bases are added. Buffer solutions are typically used in situations where it’s vital to keep a stable pH, such as chemical and biological applications.
How do buffer solutions work?
Buffer solutions resist pH changes due to the equilibrium established between the acid and its conjugated base. If an acid is added to the mixture, the equilibrium shifts towards the formation of more acid. As a result, the increases in H are minimal and do not change pH. Similarly, a base added to the solution only reduces the concentration of H in very small amounts, not enough to change pH.
However, buffer solutions only work over a short pH range. Once the acid is more than 95% deprotonated, the ability to buffer pH changes is lost and the pH will change rapidly when an acid or base are added.
At ReAgent, we’re very proud of our customer service team. If you need help, simply contact us and a member of our team will be glad to help before, during and after your purchase to ensure our products meet your needs.
|28||1||1.139||pH Value @ 20°C||6||7||7||6.98 - 7.02||16/08/2017||Darren||15/04/2004||0||16/08/2017|
|29||2||1.139||0||0||0||Traceable to NIST reference materials||16/08/2017||Darren||05/08/2004||0||16/08/2017|
Please note: we only deliver to registered UK businesses at non-residential addresses with a minimum order value of £100 before VAT
We only supply to mainland UK, contact us on 0800 990 3258 for rates to Ireland.
Please notify us if you have specific delivery requirements such as restricted access, requirement for a tail-lift delivery vehicle or pallet truck. Failure to notify us of a special delivery instructions can incur additional charges from our carriers.
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