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c/hplc·submitted 1 year ago by u/ahmed_rasmussen

[Question] integration — what am I missing here

Questionbranch of 9 comments

integration — what am I missing here — that is what I am asking, and I have already read the wiki twice. Mass spectrometry answers identity. UV purity answers relative quantity under the run conditions. A document with one and not the other is answering half the question, and the half it answers should be stated.…

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9 comments, started 1 year ago
u/clara_danquah23 points·1 year ago

Yes. Retention time is a hypothesis about identity. Mass is the answer.

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u/dead_space_doug18 points·1 year ago

Correction: that is a tailing factor, not a plate count. Different diagnostics for different problems.

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u/quiet_reader_9915 points·1 year ago

What did system suitability look like on that sequence?

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u/cormac_roos7 points·1 year ago

LC-MS for identity, UV for relative quantity

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u/fatima_yildiz29 points·1 year ago

report the method or do not report the number

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u/chain_confirm_cpayments34 points·1 year ago

a blank injection between samples costs four minutes and settles most arguments

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u/hana_lehtinen-3 points·1 year ago

Bought a second-hand instrument and learned more in six months of fixing it than in three years of reading traces.

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u/hugo_bergstrom1 point·1 year ago

Same view — reporting the gradient is what makes a result checkable rather than merely stated.

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[removed]1 point·1 year ago

[removed by moderator]

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