Topic
Inter-lab variance
Page 13 of 15 — Two labs, one lot, two answers a point or two apart — normal, expected, and constantly mistaken for one of them being wrong.
Messages — page 13 of 15
triple_ag_tomwhy do two labs integrate the same peak differently#hplc-massspec · 2026-04-13split_dose_sama point or two between the certificate and an independent result is inside what two labs disagree by, i think#test-results · 2026-04-13VialBotInter-lab diff for lot B-0329: 97.4% vs 98.6%. Within expected range.#reconstitution · 2026-04-15VialBotInter-lab diff for lot E-2205: 99.2% vs 98.6%. Within expected range.#vendor-talk · 2026-04-15VialBotInter-lab diff for lot C-4402: 98.6% vs 99.2%. Within expected range.#uk-ireland · 2026-04-15VialBotInter-lab diff for lot C-4402: 98.6% vs 98.1%. Within expected range.#dosing-titration · 2026-04-16ms_ms_mirawhy do two labs integrate the same peak differently#hplc-massspec · 2026-04-16ash_assaystwo labs disagree on the same lot, which one goes in the log#vendor-verification · 2026-04-16ring_size_downok so a point or two between the certificate and an independent result is inside what two labs disagree by#test-results · 2026-04-17VialBotInter-lab diff for lot A-2418: 98.1% vs 99%. Within expected range.#welcome · 2026-04-18fridge_thermowithin inter-lab range#hplc-massspec · 2026-04-18fridge_thermointegration choices move the number by a few tenths easily. that is most of your inter-lab variance#hplc-massspec · 2026-04-18VialBotInter-lab diff for lot D-0718: 99.2% vs 98.6%. Within expected range.#food-and-training · 2026-04-18comment_fatigueunrelated but energy expenditure isnt something i could feel, though my sleep tracker disagreed with me#retatrutide · 2026-04-19area_percentboth back. same vial, split into two, posted the same day in one envelope to two labs#test-results · 2026-04-19VialBotinter-lab diff — sample SWB-25-1104 (split): purity 99.1% vs 98.3% (Δ 0.8) · content 9.62 mg vs 9.55 mg (Δ 0.07) · flag:…#test-results · 2026-04-19egfr_edtwo labs on the same lot is a luxury but it is how we learned what inter-lab variance looks like, i think#lab-requests · 2026-04-19VialBotInter-lab diff for lot SG-1177: 98.6% vs 99.2%. Within expected range.#off-topic · 2026-04-19ms_ms_miraa point or two between the certificate and an independent result is inside what two labs disagree by#test-results · 2026-04-20VialBotInter-lab diff for lot H-2814: 96.8% vs 98.6%. Within expected range.#asia · 2026-04-20ghent_gradientwhy do two labs integrate the same peak differently#hplc-massspec · 2026-04-22VialBotInter-lab diff for lot SG-1177: 96.8% vs 99.2%. Within expected range.#maintenance · 2026-04-22wrong_networkupdate on the earlier thing energy expenditure isnt something i could feel, though my sleep tracker disagreed with me#retatrutide · 2026-04-23verify_or_donta point or two between the certificate and an independent result is inside what two labs disagree by#test-results · 2026-04-23tarpit_tamtwo labs disagree on the same lot, which one goes in the log#vendor-verification · 2026-04-23warsaw_vialenergy expenditure isnt something i could feel, though my sleep tracker disagreed with me#retatrutide · 2026-04-24lisbon_lottwo labs on the same lot is a luxury but it is how we learned what inter-lab variance looks like#lab-requests · 2026-04-24luerlokslightly off topic but two labs disagree on the same lot, which one goes in the log#vendor-verification · 2026-04-24VialBotInter-lab diff for lot F-1330: 98.1% vs 97.4%. Within expected range.#dosing-titration · 2026-04-25freeze_thawwhile im here two labs a point or two apart on the same lot is normal and gets mistaken for one of them being wrong constantly#hplc-massspec · 2026-04-25reta_resting_hrenergy expenditure isnt something i could feel, though my sleep tracker disagreed with me#retatrutide · 2026-04-26lean_mass_lexwithin inter-lab range#hplc-massspec · 2026-04-27karl_fischerintegration choices move the number by a few tenths easily. that is most of your inter-lab variance#hplc-massspec · 2026-04-28salt_bridgetwo labs a point or two apart on the same lot is normal and gets mistaken for one of them being wrong constantly#hplc-massspec · 2026-04-28rezept_rolftwo labs a point or two apart on one lot is normal. both go in the log with both numbers#vendor-verification · 2026-04-28VialBotInter-lab diff for lot A-2418: 99.4% vs 99%. Within expected range.#test-results · 2026-04-29ten_of_tentwo labs on the same lot is a luxury but it is how we learned what inter-lab variance looks like#lab-requests · 2026-04-29ring_size_downenergy expenditure isnt something i could feel, though my sleep tracker disagreed with me#retatrutide · 2026-04-30VialBotInter-lab diff for lot C-4402: 99% vs 97.4%. Within expected range.#hplc-massspec · 2026-04-30food_noise_offwithin inter-lab range#hplc-massspec · 2026-04-30vik_verifiestwo labs disagree on the same lot, which one goes in the log#vendor-verification · 2026-04-30fake_trackingtwo labs a point or two apart on one lot is normal. both go in the log with both numbers, i have it written down somewhere#vendor-verification · 2026-05-01VialBotInter-lab diff for lot B-0114: 98.6% vs 98.1%. Within expected range.#retatrutide · 2026-05-02lot_number_louwithin inter-lab range#hplc-massspec · 2026-05-02monoisotopictwo labs a point or two apart on the same lot is normal and gets mistaken for one of them being wrong constantly#hplc-massspec · 2026-05-02eight_mmtwo labs disagree on the same lot, which one goes in the log nothing gets deleted from the log, including our own mistakes#vendor-verification · 2026-05-02tail_factorwithin inter-lab range#hplc-massspec · 2026-05-03rowan_readstwo labs a point or two apart on the same lot is normal and gets mistaken for one of them being wrong constantly, ymmv i have…#hplc-massspec · 2026-05-03meniscus_meltwo labs a point or two apart on one lot is normal. both go in the log with both numbers#vendor-verification · 2026-05-03vial_ledgerwhy do two labs integrate the same peak differently#hplc-massspec · 2026-05-04split_shipmenttwo labs a point or two apart on one lot is normal. both go in the log with both numbers#vendor-verification · 2026-05-04mag_citrateenergy expenditure isnt something i could feel, though my sleep tracker disagreed with me#retatrutide · 2026-05-05VialBotInter-lab diff for lot B-0329: 98.6% vs 98.1%. Within expected range.#dosing-titration · 2026-05-05VialBotInter-lab diff for lot D-0718: 99.2% vs 98.6%. Within expected range.#vendor-talk · 2026-05-05kelp_keepsright so why do two labs integrate the same peak differently a shoulder on a peak is information, and usually bad information#hplc-massspec · 2026-05-06hydrate_hanaintegration choices move the number by a few tenths easily. that is most of your inter-lab variance#hplc-massspec · 2026-05-07LC_MS_Lenasorry to jump in two labs on the same lot is a luxury but it is how we learned what inter-lab variance looks like, i think#lab-requests · 2026-05-07protein_floortwo labs a point or two apart on one lot is normal. both go in the log with both numbers#vendor-verification · 2026-05-07van_isle_vialtwo labs a point or two apart on one lot is normal. both go in the log with both numbers#vendor-verification · 2026-05-08loam_logsstill disagree tbh#rules · 2026-05-09