Hi Patric, it seems that this is water solution of 0-2% chloramine-T , trihydrate. https://www.barnstead-water.com/images/CMX25-msds.pdf Best Michal
W dniu pt., 10 sty 2025 o 18:22 Patrick Loll <pjl...@gmail.com> napisał(a): > Happy New Year, Everyone, > > I have a question about the “cleaning syringe” that is sold for DI water > systems such as the Barnstead Nanopure (when one replaces the cartridge, > one injects the contents of this 60-mL syringe into the cartridge and the > system then goes through a pre-programmed cleaning cycling). > > Does anyone know what’s in this syringe, or have a DIY version? > > I’ve always suspected it was something simple like dilute NaOH, but I > never bothered to check. However, now they’re becoming hard to get, and so > replacing the cartridge is delayed for months while the cleaning syringe is > on back-order. They’re also absurdly expensive (70 USD for 50 mL of > solution), so it would be great to be able to do a home-brew. > > Thanks for any insights. > > Pat > > > --------------------------------------------------------------------------------------- > Patrick J. Loll, Ph. D. (he, him, his) > Professor of Biochemistry & Molecular Biology > Drexel University College of Medicine > Room 10-102 New College Building > 245 N. 15th St > <https://www.google.com/maps/search/245+N.+15th+St?entry=gmail&source=g>., > Mailstop 497 > Philadelphia, PA 19102 USA > > (215) 762-7706 > pjl...@gmail.com > pj...@drexel.edu > > ######################################################################## > > To unsubscribe from the CCP4BB list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1 > > This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a > mailing list hosted by www.jiscmail.ac.uk, terms & conditions are > available at https://www.jiscmail.ac.uk/policyandsecurity/ > ######################################################################## To unsubscribe from the CCP4BB list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1 This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a mailing list hosted by www.jiscmail.ac.uk, terms & conditions are available at https://www.jiscmail.ac.uk/policyandsecurity/