Buffer Solutions This is our most popular Buffer Solutions - Buffer Solution pH 4
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Need buffer solutions?
We supply buffer solutions in 1L, 2.5L, 5L and 10L containers with discounts for bulk orders
Our most popular product is buffer solution pH 4
We also offer further options with all our products, such as customised labelling and bespoke blending
About buffering solutions
Buffering solutions are simply aqueous solutions of a weak acid or base with the ability to maintain a stable pH even when a large amount of strong base or acid are added. Buffering agents are commonly used in household products, such as dish detergent and washing up liquid, as well as soap and shampoo. Examples of buffering agents include fatty acids, borate, citric acid, sodium triphosphate and silicate.
Most cosmetic and personal hygiene products are buffered to maintain a neutral or slightly alkaline pH, to eliminate the soap's natural high pH. The buffer in this case prevents the products becoming too acidic or alkaline which could become irritant for the skin.
How does it work?
In any solution, acids increase the concentration of H+, while alkalis generate OH- ions. The pH reflects the ratio between these two ions. In the case of buffering solutions, these can - up to a point - absorb the addition of extra H+ or OH- after the addition of an acid or base. This means the relative concentration of H+ and OH- remains stable and the pH does not change.
Typically, acidic buffering solutions - such as to maintain pH 4 - contain a weak acid and its respective conjugated base. Strong acids are not good buffering agents, as these solutions need large amounts of the acid to be present in an non-ionised form. In a similar manner, an alkaline buffering solution is made up with a weak alkali and its respective salt.
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0800 990 3258
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ReAgent has been supplying quality chemical products for almost 40 years
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- Acetic Acid (CH3COOH)
- Ammonia Solutions (NH3)
- Battery Acid
- Brick Acid
- Buffer Solutions
- Caustic Soda
- Citric Acid (C6H8O7)
- Deionized Water
- Demineralised Water
- Denatured Alcohol (IMS)
- Dichloromethane (CH2Cl2)
- Distilled Water
- Ethylene Glycol
- Formaldehyde (CH2O)
- Gold Test Kits
- Hydrochloric Acid (HCL)
- Hydrogen Peroxide (H2O2)
- Isopropyl Alcohol
- Methylated Spirits
- Methylene Chloride
- Monopropylene Glycol
- Nitric Acid (HNO3)
- Phosphoric Acid (H3PO4)
- Polyethylene Glycol (PEG)
- Potassium Hydroxide (KOH)
- Potassium Permanganate
- Propan-2-ol / Isopropanol