In a lab, quality control (QC) is checking each step of an experiment to make sure it’s done correctly, while quality assurance (QA) is like a set of rules and procedures that ensure the lab operates correctly. QC involves testing equipment, materials, and results and correcting errors, while QA involves making sure everyone follows the rules,…[Read more]

The Levey–Jennings chart is a type of statistical process control (SPC) chart, typically used in laboratory quality control applications.

It differs from the traditional Shewhart individuals control chart because it uses the long-term (overall or population) estimate of sigma instead of the short-term (i.e., within subgroup or sample) estimate o…[Read more]

Materials management refers to a more efficient administration of materials or firms’ input. It will invariably result in a rise in the effectiveness of the company as a whole. Therefore, it is necessary for every industry that deals with distributing and delivering a significant number of raw materials and is a part of their supply chain m…[Read more]

A standard is material containing a precisely known concentration of a substance for use in quantitative analysis. “Standard” means a reference that can be used to determine unknown concentrations or to calibrate analytical instruments. Consider the same example above of testing the glucose level in urine. For analysis we must have a glucose…[Read more]

SU Intrams 2022-2023

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Processes – the steps of tasks that need to be completed in order to complete a project.
Procedures – the set of instructions for completing a process.
Policies – the guidelines that dictate how processes and procedures should be carried out.

Differences between Processes, Procedures and Policies

In everyday speech, the terms accuracy and precision are frequently used interchangeably. However, their scientific meanings are quite different. Accuracy is a measure of how close a measurement is to the correct or accepted value of the quantity being measured. Precision is a measure of how close a series of measurements are to one another.…[Read more]

Systems Analysis
It is a process of collecting and interpreting facts, identifying the problems, and decomposition of a system into its components.

System analysis is conducted for the purpose of studying a system or its parts in order to identify its objectives. It is a problem solving technique that improves the system and ensures that all the…[Read more]

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