The arithmetic in the opening post is right; the assumption feeding it is the part to check.
Visible particulate is a strong signal in the other direction: it is a reason to stop and ask rather than to filter and proceed.
Posting it because the silence on this was starting to look like agreement.
Taking post #18 at face value and following it one step further.
Visible particulate is a strong signal in the other direction: it is a reason to stop and ask rather than to filter and proceed.
I would rather say I do not know than round it up to an answer.
Clarity is a weak test. A solution can lose a significant fraction of its active content to degradation or adsorption while remaining perfectly clear.
Clarity is a weak test. A solution can lose a significant fraction of its active content to degradation or adsorption while remaining perfectly clear.
Visible particulate is a strong signal in the other direction: it is a reason to stop and ask rather than to filter and proceed.
If anyone has run this properly I would rather read that than my own guess.
Answering the question post #124 raises rather than the one it answers.
Temperature excursions in transit are common and are not all equal. A few hours warm is a different event from three days warm, and neither is visible in the vial on arrival.
The rule of thumb is fine; the edge cases are where it earns its keep.
Read the full topic (141 posts)
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