Ammonium Buffer Solution, 1 Ltr. Lab Grade

Ammonium buffer solution for complexometry (ammonium chloride/ammonia) pH = 10-11, is available in Kommullo Bangladesh.

• pH value: 10.5 (H₂O, 20 °C)
• HS Code: 3822 00 00
• Density: 0.978 g/cm3 (20 °C)
• Declaration (in transport) IATA-DGR: No Dangerous Goods
• Lab Grade, Indian/Germany

An ammonium buffer solution typically consists of a weak base, ammonium hydroxide (NH₄OH), and its conjugate acid, ammonium chloride (NH₄Cl). This type of buffer can help maintain a stable pH in a solution, usually around pH 9 to 11, making it useful in various biological and chemical applications.

Components of Ammonium Buffer Solution:

• Ammonium Hydroxide (NH₄OH): The weak base.
• Ammonium Chloride (NH₄Cl): The salt provides the conjugate acid.

Preparation:

1. Mix Solutions: Combine a certain volume of ammonium hydroxide with a known concentration of ammonium chloride.
2. Adjust pH: Use a pH meter to ensure the solution is at the desired pH; adjust if necessary by adding more acid or base.
3. Dilute: Add distilled water to achieve the desired final volume.

Function:

The buffer works by neutralizing small amounts of added acid or base. When an acid (H⁺ ions) is added, the NH₄⁺ ions from NH₄Cl react with it to form NH₄OH, while added bases are neutralized by NH₄OH.

General Applications of Ammonium Buffer Solution:

• Biological experiments (e.g., enzyme assays)
• Analytical chemistry (e.g., maintaining pH in titrations)
• Biochemical assays and protocols

Other hazards of Ammonium Buffer Solution

This substance/mixture contains no components considered to be either persistent,
bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at
levels of 0.1% or higher.
Ecological information:
The substance/mixture does not contain components considered to have endocrine
disrupting properties according to REACH Article 57(f) or Commission Delegated regulation
(EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
Toxicological information:
The substance/mixture does not contain components considered to have endocrine
disrupting properties according to REACH Article 57(f) or Commission Delegated regulation
(EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.