I agree with Jim – purchasing the couplers will get you up and running much quicker.
TTP also sells nice couplers: https://www.ttplabtechstore.com/ttp_ecom/cc/ItemDetails.jsp?@where.ItemID@EQ=3072-01050&sessionkey=# Aaron On Mon, Dec 15, 2014 at 12:38 PM, Bernhard Rupp <hofkristall...@gmail.com> wrote: > > Tried the RN kludge.... at least I did not get it to work. You cannot > tighten the plastic swage lock type sleeves > tight enough. On operation the pressure drives the PEEK tubing out of the > compression fit. > Maybe if you have a jig that holds the 2 syringes in a fixed position so > they cannot move apart it can work. > > Best, BR > > -----Original Message----- > From: CCP4 bulletin board [mailto:CCP4BB@JISCMAIL.AC.UK] On Behalf Of > Daniel Anderson > Sent: Monday, December 15, 2014 8:48 PM > To: CCP4BB@JISCMAIL.AC.UK > Subject: Re: [ccp4bb] Fabricating hamilton syringe coupler for LCP > preparation > > Here's my addition to Jim Fairman's reply: > > You could use a pair of RN compression fittings (www.hamilton dot com part > number 55751-01) and a segment of HPLC tubing. HPLC tubing within my field > of view can have an inside diameter as small as 0.005 inch. > > hope that helps, Happy Merry, etc., > Dan > > > On 12/15/2014 11:09 AM, Thomas Cleveland wrote: > > Hi all, > > > > I'm trying to put together some homemade syringe couplers following > > the published instructions from the Caffrey group. I'm having a bit > > of trouble with this part: > > > > "The stainless steel ferrule of the second needle is removed and > > placed on the free end of the coupling needle such that the double > > thumb nut is held symmetrically between the two steel ferrules" > > > > Has anyone done this, and if so, how did you remove the stainless > > steel ferrule from the second needle in order to place it over the > > first? The stainless steel ferrule appears to be firmly attached and > > I'm having trouble removing it. > > > > Thanks, > > Thomas Cleveland >
