There are a few possibilities here: 1) The column may be clogged, try running your Mini GC at high heat and pressure for an hour without injecting anything. Then inject a sample of acetone at the default temperature/pressure profile settings. If this...

You most likely need to change out the septum. Signs that the septum on a Mini GC is going bad: 1) The injection feels too easy. With a good septum, when you insert the needle into the injection port it should feel like you're poking a pin through a...

Some networks are set up to allow devices to connect out to the internet, but prohibit communication between devices that are on the network. For example, the LabQuest would not be allowed to connect to an iPad, even though the LabQuest and the iP...

This information pertains to LabQuest 2 and LabQuest 3. If you have an original LabQuest, see this article. The soft access point function of the LabQuest 2 and LabQuest 3 is designed to work in situations such as outdoor data collection when you ...

Most people use a traditional compound microscope at 400x to see individual stomata on plant leaves. It is possible to see stomata as small white dots on the underside of a leaf at magnifications from 50-100x, but you will not be able to do real stom...

The best way to prevent damage to the Colorimeter is to prevent a spill from happening in the first place. Using lids on the cuvettes is the best way to accomplish this. There are various models of Vernier Colorimeters (see What model Colorimeter...

RELATED ARTICLES● How do I manually calibrate my sensor in Graphical Analysis and Graphical Analysis Pro?● How do I manually calibrate my sensor in LabQuest App? General Information In most cases it is not necessary to calibrate sensor...

Ethyl acetate and some of the other solvents used in Experiment 29, "The Base Hydrolysis of Ethyl Acetate," in Advanced Chemistry with Vernier can quickly degrade the ABS plastic bodies of our standard Conductivity Probe (order code: CON-BTA) and our...

There are a few options for testing lead in water that can be used with Vernier products. Please pay close attention to the chemicals required and use appropriate caution. Spectrophotometric One option for testing lead uses a colorimetric meth...

Vernier Radiation Monitor (VRM-BTD) Specifications and User Guide Troubleshooting Primary Test: Connect the Radiation Monitor to an interface and launch the software (either the LabQuest App or Logger Pro on a computer)....