>
Exams
>
Pharmacy
>
Pharmaceutical Analysis
>
which of the following is a primary standard used
Question:
Which of the following is a primary standard used in the calibration of spectrophotometers?
Show Hint
Primary standards like potassium dichromate offer high purity and stability, ideal for calibration purposes in spectrophotometry.
AP PGECET - 2025
AP PGECET
Updated On:
Jun 16, 2025
Sodium dichromate
Sodium chloride
Potassium dichromate
Potassium chloride
Hide Solution
Verified By Collegedunia
The Correct Option is
C
Solution and Explanation
Potassium dichromate is a commonly used primary standard for calibrating UV-Vis spectrophotometers because it exhibits stable absorbance peaks at specific wavelengths, making it reliable for validation.
Download Solution in PDF
Was this answer helpful?
0
0
Top Questions on Pharmaceutical Analysis
Kaolin mainly consists of
OJEE - 2025
Pharmaceutical Sciences
Pharmaceutical Analysis
View Solution
Enteric coating is done with the following material
OJEE - 2025
Pharmaceutics
Pharmaceutical Analysis
View Solution
Ball mill works on the following principle
OJEE - 2025
Pharmaceutics
Pharmaceutical Analysis
View Solution
Trial balance is generally prepared
OJEE - 2025
Pharmaceutical Sciences
Pharmaceutical Analysis
View Solution
Purchase indent is an
OJEE - 2025
Pharmaceutical Sciences
Pharmaceutical Analysis
View Solution
View More Questions
Questions Asked in AP PGECET exam
The absolute humidity of air at 101.325 kPa is measured to be 0.02 kg of water per kg of dry air. Then the partial pressure of water vapour in the air is:
AP PGECET - 2025
Thermodynamics
View Solution
If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase is known, then the latent heat of fusion can be calculated by the:
AP PGECET - 2025
Thermodynamics
View Solution
1 mole of Argon gas is heated at constant pressure from 200 K to 600 K.
If \( C_p = 4\ \text{cal} \cdot \text{deg}^{-1} \cdot \text{mol}^{-1} \), then the change in entropy will be:
(Given \( \ln 3 = 1.09 \))
AP PGECET - 2025
Thermodynamics
View Solution
The minimum amount of work required to operate a refrigerator which removes 1000 Cal heat at $0^\circ$C and rejects at $50^\circ$C will be:
AP PGECET - 2025
Thermodynamics
View Solution
The entropy of single crystalline Silicon at absolute zero will be:
AP PGECET - 2025
Thermodynamics
View Solution
View More Questions