Long-ish post, sorry. tl;dr at the bottom. I have been tracking LC-MS against ApoB for 9 weeks because I could not find anyone who had. The correlation is weaker than I…
c/hplc — new, page 6
Positions 126–130 of 130.
Something I noticed reading old threads that I have not seen said out loud. The advice on gradient in this community changed substantially around the start of last…
I have had 21 orders now and I keep a table, so here is the honest summary rather than a vibe. Material has been consistent. Communication has not. Shipping has varied…
Been lurking in c/progresspics for about 3 months and finally have something worth posting. Short version: week 82, 7.5mg, and gradient is the bit I still cannot get a…
Sigma-Aldrich — certified reference materials
Reference standards, analytical reagents and system-suitability material. If you are running your own method, start with a known.
Reference standardsLong-ish post, sorry. tl;dr at the bottom. I have been tracking LC-MS against ApoB for 17 weeks because I could not find anyone who had. The correlation is weaker than…