GLPHubglpresearchhub.com
Read-only archive. GLP Research Hub is a static community record — nothing here is for sale, no account is needed, and no vote you cast is counted. Why?
Single comment threadYou are looking at one branch of [Discussion] the packaging advice in here is 2 years out of date — 55 comments in the full submission. View in context.
3.9k
c/coldchain·submitted 1 year ago by u/ice_pack_audit

[Discussion] the packaging advice in here is 2 years out of date

Discussionbranch of 6 comments

the packaging advice in here is 2 years out of date — a position I have arrived at slowly and would like tested. Numbers, in the order they matter: 2 years. Wrote the reconstitution date on the vial for the first time last year. Have never once since wondered how old a solution is. Asked GGPeps which lines they hold…

Read the full submission and all 55 comments →

This branch

6 comments, started 1 year ago
u/plain_titration_2024205 points·1 year ago

Gel pack fully liquid on arrival, powder tested 98.7% against a claimed 98.0% afterwards. The pack had done its job for as long as it was designed to.

replysharereportpermalink
u/nightowl_injector127 points·1 year ago

Powder or already in solution?

replysharereportpermalink
u/plain_titration_202441 points·1 year ago

transit temperature is a distribution, not a number

replysharereportpermalink
u/emeka_delgado19 points·1 year ago

a warm gel pack tells you the pack failed, not that the material did

replysharereportpermalink
u/transit_variance49 points·1 year ago

You cannot infer potency from a temperature record. The record tells you what happened to the box; only a test tells you what happened to the material.

replysharereportpermalink
u/emeka_beaulieu41 points·1 year ago

Ordered from the warehouse in the UK instead of origin and the transit went from a fortnight to 12 days. Entirely different proposition in August.

replysharereportpermalink

← back to the whole thread

About c/coldchain

Temperature and stability in the real world: what an excursion actually costs you, why lyophilised powder is far more forgiving than reconstituted solution, how to read a logger CSV, and how to photograph a failed shipment so the conversation with the vendor is short.

27kmembers
95submissions
Oct 2023created
submissions / month, last year
Sponsored

Sigma-Aldrich Standards

Certified reference materials for peptide identity and purity work.

sigmaaldrich.com
More in c/coldchain
c/coldchain rules
  1. Excursion claims need a logger trace or a photo taken at unboxing. "It felt warm" is not data.
  2. No tracking numbers, ever. They identify you and the recipient.
  3. Stability claims need a source or an explicit "this is my guess" label.
  4. Independent community. Nobody here sells anything, and anyone who tries is banned.
  5. Not medical advice. Describe what you did; never prescribe to a stranger.
  6. Claims need evidence. Batch numbers, dated screenshots, independent test reports, or a citation.
  7. No referral links, discount codes or affiliate URLs. Permanent ban, no appeal.
  8. No contact handles, wallet addresses or tracking numbers — they identify people.
  9. Be recognisably decent. Disagree hard, insult nobody.
Full rules and how they are enforced →
Moderators
u/mod_cold_roomu/coldchain_karenu/ice_pack_auditu/usb_logger_ursula
Volunteers. Unpaid, unaffiliated, and reachable through modmail only.
Before you read on

Several compounds discussed on GLP Research Hub are sold for research use only and are not approved for human use anywhere. Nothing here is medical advice and none of it is written by your clinician. If a post reads like an instruction, treat it as a description of what one stranger did.

Full disclaimer →