BUFFER STANDARD SOLUTION pH 4.0 at 20 deg C traceable to NIST

BUFFER STANDARD SOLUTION pH 4.0 at 20 deg C traceable to NIST

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Product Details:

Molecular Formula H2O + KH2PO4 + NaOH
CAS No Not applicable (mixture not assigned a single CAS no.)
EINECS No Not applicable (mixture not assigned a single Einecs no.)
Grade Analytical grade
Molecular Weight Variable (depends on composition)
Purity High traceable to NIST standards
Smell Odorless
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BUFFER STANDARD SOLUTION pH 4.0 at 20 deg C traceable to NIST Price And Quantity

BUFFER STANDARD SOLUTION pH 4.0 at 20 deg C traceable to NIST Product Specifications

Ph Level 4.0
Smell Odorless
Purity High traceable to NIST standards
Poisonous NO
Application Used as a calibration standard for pH meters
CAS No Not applicable (mixture not assigned a single CAS no.)
Grade Analytical grade
Molecular Weight Variable (depends on composition)
HS Code 38220000
EINECS No Not applicable (mixture not assigned a single Einecs no.)
Physical Form Liquid solution
Molecular Formula H2O + KH2PO4 + NaOH
Properties pH-stabilized solution traceable to NIST
Appearance Clear colorless liquid
Shape Liquid
Density 1 Gram per cubic centimeter(g/cm3)
Shelf Life Typically 1 year or as specified by the manufacturer
Ingredients Deionized water potassium dihydrogen phosphate sodium hydroxide
Storage Store at room temperature or as recommended on the label
Usage Laboratory testing pH calibration
Solubility Completely soluble in water

Product Description

Buffer Standard Solution pH 4.0 at 20C is a high-quality liquid solution designed for calibrating pH meters in laboratory testing environments. This analytical-grade solution is pH-stabilized and traceable to NIST standards, ensuring accuracy and reliability in pH measurements. Composed of deionized water, potassium dihydrogen phosphate, and sodium hydroxide, it is completely soluble in water and has a pH level of 4.0. Odorless and clear in appearance, this solution has a shelf life of typically one year when stored at room temperature. With a density of 1 g/cm3, it is non-poisonous and suitable for various applications requiring precise pH calibration.

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