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[Question] vendor COA says 99.2%, my Janoshik came back 97.4%. who is wrong
vendor COA says 99.2%, my Janoshik came back 97.4%. who is wrong, and before anyone asks: same batch throughout, single submission, no cherry-picking between services.…
u/emeka_beaulieu
Contributes reviews on supplier material. Based in Oulu.
member · joined 15 Jun 2025
12,881post karma
6,725comment karma
7submissions
76comments
593
how do i tell an HPLC-UV COA from an LC-MS one at a glance
Slightly embarrassed to be asking this, but: how do i tell an HPLC-UV COA from an LC-MS one at a glance. My first certificate had a compound name, a percentage and a…
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[Discussion] can we stop arguing about data logger until somebody posts a number
Slightly embarrassed to be asking this, but: can we stop arguing about data logger until somebody posts a number. A stability statement is only meaningful with its…
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[Question] Australia — has anyone got a straight answer on packaging
Slightly embarrassed to be asking this, but: Australia — has anyone got a straight answer on packaging. A stability statement is only meaningful with its conditions…
702
private prescription — 20 things I got wrong before I got it right
private prescription — 20 things I got wrong before I got it right. It is the sort of thing everyone half-believes and nobody writes down. Switched pharmacies…
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the Netherlands: EMA, and what it actually costs here
Something I keep coming back to: the Netherlands: EMA, and what it actually costs here. Asked in my own language at a local pharmacy and got a clearer answer in five…
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[Discussion] the excursion advice in here is 2 years out of date
the excursion advice in here is 2 years out of date — a position I have arrived at slowly and would like tested. To save the first four comments: 2 years. Once in…