BUFFER STANDARD SOLUTION (CITRIC ACID SODIUM HYDROXIDE) pH 5.00 +- 0.02 at 20 C traceable to NIST

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BUFFER STANDARD SOLUTION (CITRIC ACID SODIUM HYDROXIDE) pH 5.00 +- 0.02 at 20 C traceable to NIST Specification

Storage
Store in a cool dry place away from direct sunlight. Keep the container tightly closed.

Structural Formula
Citric acid: C6H8O7 Sodium hydroxide: NaOH

Molecular Formula
C6H8O7 (citric acid) & NaOH (sodium hydroxide)

Solubility
Highly soluble in water

CAS No
77-92-9 (citric acid) 1310-73-2 (sodium hydroxide)

Molecular Weight
192.124 g/mol (citric acid) 40.00 g/mol (sodium hydroxide)

Ingredients
Deionized water citric acid sodium hydroxide

Physical Form
Liquid

Shelf Life
1 year in a sealed container

Grade
Analytical grade

Appearance
Clear colorless liquid

Properties
Stable under recommended conditions; ensures accurate pH calibration

Density
1.00 Gram per cubic centimeter(g/cm3)

Purity
Prepared with high-purity reagents

HS Code
3822.00.90

Smell
Odorless

Usage
For laboratory use only. Used as a buffer standard solution.

Ph Level
5.00 ± 0.02 at 20°C

Poisonous
NO

Melting Point
153 °C (citric acid) 318 °C (sodium hydroxide)

EINECS No
201-069-1 (citric acid) 215-185-5 (sodium hydroxide)

Application
Calibration of pH meters and analytical instruments

About BUFFER STANDARD SOLUTION (CITRIC ACID SODIUM HYDROXIDE) pH 5.00 +- 0.02 at 20 C traceable to NIST

The BUFFER STANDARD SOLUTION (CITRIC ACID SODIUM HYDROXIDE) pH 5.00 0.02 at 20C is a high-quality, analytical grade liquid solution used for the calibration of pH meters and analytical instruments in laboratory settings. This solution, traceable to NIST, is odorless and appears as a clear colorless liquid. With a stability guarantee under recommended conditions, it ensures precise pH calibration results. It has a shelf life of 1 year when stored in a sealed container in a cool, dry place away from direct sunlight. The solution is prepared with high-purity reagents, making it suitable for use by distributors, exporters, importers, manufacturers, retailers, suppliers, traders, and wholesalers.