Part one of this three-part series examines the rational for using control technology to reduce process variability ...

In-process methods are key components of quality control in a chemical manufacturing plant. These methods ensure that a production reaction step conducted by trained operators within the entire ...

To display process data stratified into levels of a classification variable, specify the name of this variable after an equal sign (=) immediately following the subgroup-variable in the chart ...

If the data for a Shewhart chart can be classified by factors relevant to the process (for instance, machines or operators), displaying the classification on the chart can facilitate the ...

In today's competitive environment, process industry companies are focused on two key objectives: profitability and delivering value to customers. However, these objectives are often disparate goals ...