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Does formalin always have 37% formaldehyde?
I did purchase some formalin yesterday. The smell was very awful. As the seller didn’t know the percentage of formaldehyde in it, i wanted to know, does formalin always has 37% formaldehyde or there is different variations?
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5 Replies
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That is the standard commercial concentration, determined many years ago by partial pressure equilibria calculations of volatiles. Same holds true with standard ammonia concentration (26Be if I recall?), etc., etc.
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chemicalmatt said:That is the standard commercial concentration, determined many years ago by partial pressure equilibria calculations of volatiles. Same holds true with standard ammonia concentration (26Be if I recall?), etc., etc.
Thanks
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No - it’s also supplied at ~10%
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PhilGeis said:No - it’s also supplied at ~10%
Thanks.
This should i definitely ask and find out from supplier.
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It’ll be on msds
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