Sodium chloride (NaCl) is colorless, transparent crystals and somewhat hygroscopic. It is soluble in water and glycerin, very slightly soluble in alcohol. Characteristic flame color is yellow.
Laboratory-grade sodium chloride is often required in various scientific and laboratory applications where high purity and precise concentrations are essential.
Applications...
- Chemical Analysis: In laboratories, sodium chloride is used in the preparation of standard solutions for analytical techniques such as titrations and spectrophotometry. Its known purity allows for accurate concentration determinations.
- Cell Culture and Biology: In cell culture and biological research, sodium chloride is used to prepare isotonic solutions and media for maintaining cell viability. It provides the necessary osmotic balance to cells.
- Molecular Biology and Biochemistry: Sodium chloride is commonly used in molecular biology and biochemistry experiments for various purposes, including protein purification, DNA extraction, and as a component in buffers and reagents.
- Clinical Chemistry: In clinical laboratories, sodium chloride is used in the preparation of reagents and standards for diagnostic tests and analyses.
- Laboratory Equipment Calibration: Sodium chloride is also used in the calibration of laboratory equipment, such as conductivity meters and osmometers.
- Corrosion Testing: Sodium chloride solutions are commonly used in corrosion testing to simulate the corrosive environment that equipment and materials may encounter during oil and gas production. Laboratory-grade sodium chloride ensures consistency and accuracy in these tests.
Used in the following patina formulas: