Conductivity Standard - 25 mhos/cm

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Conductivity Standard - 25 mhos/cm Specification

Shape
Liquid (no defined shape)

Refractive Rate
Not typically measured

CAS No
7732-18-5 (water) 7447-40-7 (potassium chloride)

Structural Formula
Not applicable (solution not a single compound)

Purity
High purity water with trace KCl

Application
Calibration of conductivity meters and sensors

Melting Point
0C (water-based solution)

Physical Form
Liquid

Appearance
Clear colorless liquid

Poisonous
NO

Storage
Store at room temperature tightly sealed to prevent contamination

HS Code
3822.00.00 (standard solutions for chemical analysis)

Density
1.00 Gram per cubic centimeter(g/cm3)

Smell
Odorless

Solubility
Completely soluble in water

Ingredients
Deionized water and trace potassium chloride

Ph Level
Neutral (~7)

Shelf Life
Typically 12 months under proper storage conditions

Usage
Used in laboratories and industries requiring precise conductivity measurements

Properties
Stable standardized conductivity level of 25 mhos/cm at 25C

Molecular Weight
Varies depending on additives; predominantly water weight

Molecular Formula
H2O + KCl (trace concentration)

Grade
Analytical grade

EINECS No
231-791-2 (water) 231-211-8 (potassium chloride)

About Conductivity Standard - 25 mhos/cm

Conductivity Standard - 25 mhos/cm is an analytical-grade solution designed for precise calibration of conductivity meters and sensors. This clear, colorless liquid is composed of high-purity deionized water blended with trace amounts of potassium chloride to ensure a stable and standardized conductivity level of 25 mhos/cm at 25C. It is odorless, non-poisonous, and completely soluble in water, making it safe and easy to use in laboratory and industrial environments. The solution retains a neutral pH of ~7 and has a density of 1.00 g/cm, closely matching water. Ideal for applications requiring accurate conductivity measurement, the product is stable under proper storage conditions and offers a shelf life of up to 12 months when stored at room temperature in tightly sealed containers to prevent contamination. Compliant with chemical standards, it carries CAS numbers 7732-18-5 and 7447-40-7 for its components, along with HS Code 3822.00.00 for international standard solutions.