BUFFER STANDARD SOLUTION (BORIC ACID - POTASSIUM CHLORIDE - SODIUM HYDROXIDE) pH 11.00 +- 0.02 at 20 deg C traceable to NIST

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BUFFER STANDARD SOLUTION (BORIC ACID - POTASSIUM CHLORIDE - SODIUM HYDROXIDE) pH 11.00 +- 0.02 at 20 deg C traceable to NIST Specification

Appearance
Clear colorless solution

Purity
High purity suitable for laboratory use

Smell
Odorless

EINECS No
Boric Acid (233-139-2) Potassium Chloride (231-211-8) Sodium Hydroxide (215-185-5)

Melting Point
Not defined for the solution individual components: Boric Acid (170.9°C) Potassium Chloride (773°C) Sodium Hydroxide (318°C)

Ingredients
Boric Acid Potassium Chloride Sodium Hydroxide and Water

Application

Shelf Life
Typically 1 year when stored as recommended

Properties
Stable aqueous buffer solution traceable to NIST standards with defined pH at 20°C

Storage
Store in a tightly closed container at room temperature away from direct sunlight and extreme conditions

Molecular Formula
Varies based on buffer components (H3BO3 for Boric Acid KCl for Potassium Chloride NaOH for Sodium Hydroxide)

Physical Form
Liquid

Poisonous
NO

HS Code
3822.00.90

Molecular Weight
Varies depending on components: Boric Acid (61.83 g/mol) Potassium Chloride (74.55 g/mol) Sodium Hydroxide (40.00 g/mol)

Density
1 Gram per cubic centimeter(g/cm3)

Usage
Prepare and use as reference buffer during pH determination; maintain at recommended temperature of 20°C

Grade
Analytical NIST traceable

Ph Level
11.00 ± 0.02 at 20°C

Solubility
Fully soluble in water

CAS No
Mixture; Boric Acid (10043-35-3) Potassium Chloride (7447-40-7) Sodium Hydroxide (1310-73-2)

Refractive Rate
Not typically measured for this product

Shape
Not applicable for a liquid solution

Structural Formula
Mixture of solutions; no fixed structural formula

About BUFFER STANDARD SOLUTION (BORIC ACID - POTASSIUM CHLORIDE - SODIUM HYDROXIDE) pH 11.00 +- 0.02 at 20 deg C traceable to NIST

The Buffer Standard Solution (Boric Acid - Potassium Chloride - Sodium Hydroxide) with a pH of 11.00 0.02 at 20C is a stable aqueous buffer solution suitable for laboratory use. This high-purity liquid solution is odorless, non-poisonous, and stored in a tightly closed container at room temperature. It is primarily used for calibration in pH meters and analytical instruments, serving as a reference buffer during pH determination. The solution is traceable to NIST standards, ensuring accuracy and reliability in various applications. With a shelf life of approximately one year when stored properly, this solution is essential for maintaining precise pH levels in laboratory settings.