Product Description
The BUFFER STANDARD SOLUTION pH 4.0 (COLOR CODED-RED) at 20C is a high-purity, color-coded (Red) liquid solution used for calibration of pH meters and sensors in laboratory-grade applications. This traceable to NIST product is odorless, non-poisonous, and stored at room temperature. Completely soluble in water, it contains deionized water, buffer salts, and pH indicator (red dye). With a shelf life of 1-2 years when stored properly, this analytical grade solution maintains a pH level of 4.0. The product is widely used as a standard for buffering solutions in laboratory and analytical settings.
FAQs of BUFFER STANDARD SOLUTION pH 4.0 (COLOR CODED-RED) at 20 deg C traceable to NIST:
Q: What is the application of BUFFER STANDARD SOLUTION pH 4.0 (COLOR CODED-RED)?
A: It is used for the calibration of pH meters and sensors in laboratory-grade settings.
Q: What is the shelf life of the product?
A: When stored properly in tightly sealed containers, it has a shelf life of 1-2 years.
Q: Can this solution be stored in direct sunlight?
A: It is recommended to store the solution at room temperature away from direct sunlight and heat sources.
Q: Is the solution completely soluble in water?
A: Yes, the solution is completely soluble in water.
Q: What are the main ingredients of this solution?
A: The solution contains deionized water, buffer salts, and pH indicator (red dye).