Not all laboratories are created equal. For a consumer, the most important thing is for you to understand the differences between the various gemological institutes. You see, each lab uses its own grading system and nomenclature. As a result, a report from one institute may have show different results from a report issued by another lab for the same diamond. Letâs examine the differences between 4 of the most major gemological labs in the world â GIA, AGS, EGL, and IGI. GIA, the Gemological Institute of America, is the
The CPK isoenzymes test is a way to measure the levels of the enzyme creatine phosphokinase in your bloodstream. This enzyme is important for muscle function. The CPK isoenzymes test is a way to measure the levels of the enzyme creatine phosphokinase in your bloodstream. This enzyme is important for muscle function. Newsletter
In my last column, I was asked about a capability index called Cpk. Cpk is a measure of a process' ability to conform to specification. A Cpk = 1 means that if nothing changes, 99.73% of the process output will be within specification, as in Figure 1. Figure 1 - A process with Cp = Cpk = Cpm = 1.