Re: Blow out pipettes
- From: "number6" <snumber6@xxxxxxx>
- Date: 29 Dec 2005 11:03:30 -0800
electron@xxxxxxxxxxxxxx wrote:
> On 29 Dec 2005 09:30:55 -0800, "Farooq W" <farooq.w@xxxxxxxxx> wrote:
>
> >I have "heard" from many people that graduated pipettes that are not
> >calibrated to the the tip must be blown out to remove the last adhering
> >drop. I have no written document that says so. But somewhere on the
> >web, a page mentioned that pipettes having a double frosted ring on
> >them should be blown out and those having a single colored ring
> >shouldn't. Is this a universal agreement among the pipette
> >manufacturers just like color coding of pipettes?
>
> Does the pipet in question have the letters TD or TC on it?
> TD = To Deliver ( do not blow out, calibrated to deliver)
> TC = To Contain (blow out, calibrated to contain)
TC and TD/Blow out are different ... See my other post where I mention
finding a pipet with two different calibration markings representing
those two methods ...
.
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