Posts Tagged ‘low response’

Troubleshooting standard response issues

Is the problem with standards or only with samples? If the low response is only with extracted samples, the problem is elsewhere in your method. Please see the blog post Now you see it, now you don’t-Troubleshooting method recovery problems. When was the standard ampule opened? If not fresh, open a new one. As mentioned […]

[2]Troubleshooting HPLC- Loss in Response for Some, but Not All Analytes

[2]Troubleshooting HPLC- Loss in Response for Some, but Not All Analytes Patterns in your HPLC chromatography can exhibit telltale signs that point toward probable sources of error.  In this brief series of posts, we will look at possible scenarios that you may encounter in the laboratory and how you might approach resolving those difficulties. When […]

Troubleshooting HPLC- Loss in Response for All Analytes

[1]Troubleshooting HPLC- Loss in Response for all Analytes Just as in GC applications, patterns in your HPLC chromatography can exhibit telltale signs that point toward probable sources of error.  In this brief series of posts, we will look at possible scenarios that you may encounter in the laboratory and how you might approach resolving those […]