• Steven Parker posted a new activity comment 12 months ago

    In reply to: Neha Sharma posted an update in the group Analytical Laboratory Instrumentation
    Trying to develop an LCMS/MS method for oligonucleotides (dATP, dCTP, dGTP and dTTP) on HILIC (kinetex; 150×2.1mm, 2.6um) […]
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    Another abandoned post. They want free help, but make no attempt to answer questions or follow-up.

  • Steven Parker posted a new activity comment 1 year, 2 months ago

    In reply to: Justin Williams posted an update in the group Analytical Laboratory Instrumentation
    Anyone familiar with Daniel Model 500 (I think) GCs? I’d like to secure a few 6-port valve rebuild kits and/or spare […]
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    ” I know nothing about Daniel GCs”.
    Why think about retrofitting something when parts are available? The client should buy the correct or recommended parts needed to address any wear and have it serviced. As Bill said, regular maintenance costs need to be budgeted into operating costs. Just like with a car, your costs of ownership continue after purchase too. They need to be aware of this and, if unable to perform the services themselves, find an experienced service provider in their area.