From the HBD Archive
From: rlr@stcvax.UUCP (Roger Rose)
Subject: Re: Hydrometer calibrations
Date: 1989-08-18 18:32:57 GMT

> From: roberts%studguppy@LANL.GOV (Doug Roberts @ Los Alamos National Laboratory)
> My (cheap little) hydrometer
> doesn't say if the alcohol percentages are by weight or volume.
> However, since the specific gravity of a liquid is defined as the
> ratio of it's density with respect to pure water, I would think that
> the alcohol percentages would be weight percents.

Not necessarily so. My hydrometer specifically says % alcohol by volume.

Roger Rose
USnail: Storage Technology Corp. - MS1169 / Louisville, Co. 80028-1169
phone: (303) 673-6873

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