NITRIC ACID - L.R GRADE
Nitric acid - L.R. grade stands for "laboratory reagent grade," indicating a high level of purity suitable for laboratory applications where precise and accurate chemical analysis is required. This grade of nitric acid undergoes stringent purification processes to minimize impurities, ensuring consistency and reliability in experimental results.
L.R. grade nitric acid is commonly used in laboratories for tasks such as qualitative analysis, titrations, and preparation of reagent solutions. Its purity meets or exceeds standards set by organizations like the American Chemical Society (ACS), ensuring it is free from contaminants that could interfere with analytical procedures or experimental outcomes.
Due to its controlled purity, L.R. grade nitric acid is also employed in the preparation of standard solutions, calibration of analytical instruments, and in the manufacturing of laboratory chemicals. Its reliability makes it a preferred choice in educational settings for teaching chemistry experiments and demonstrations, where accuracy and consistency are critical.
In summary, nitric acid - L.R. grade represents a refined form of HNO₃ tailored for laboratory use, characterized by its high purity and suitability for precise chemical analysis and experimentation in research and educational environments.
NITRIC ACID - A.R. GRADE
Nitric acid - A.R. grade denotes "analytical reagent grade," which signifies the highest purity level among grades of nitric acid specifically designed for analytical chemistry purposes. A.R. grade nitric acid undergoes extensive purification processes to eliminate impurities to trace levels, ensuring exceptional chemical purity and consistency essential for accurate and reliable analytical techniques
This grade of nitric acid adheres to stringent purity standards set by organizations like the American Chemical Society (ACS) or other international regulatory bodies. These standards dictate maximum allowable levels of impurities, ensuring that the acid meets precise criteria for use in high-precision analytical methods such as spectrophotometry, chromatography, and titrations.
Due to its superior purity and reliability, A.R. grade nitric acid is indispensable in laboratories for preparing standard solutions, calibrating instruments, and manufacturing certified reference materials used in quality control and research. It plays a critical role in industries including pharmaceuticals, environmental monitoring, and forensic analysis, where accurate chemical analysis is crucial.
In summary, nitric acid - A.R. grade represents the purest form of HNO₃ available for analytical chemistry applications, distinguished by its stringent purity standards and suitability for high-precision analytical techniques in scientific research, quality assurance, and regulatory compliance.