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  1. #1

    Default Should the fragrance concentrate be diluted in alcohol by weight or volume?

    Just a quick question. I have tried both methods but would like to know what is done in the industry.

  2. #2

    Default Re: Should the fragrance concentrate be diluted in alcohol by weight or volume?

    By weight. That is the industry convention.

  3. #3

    Default Re: Should the fragrance concentrate be diluted in alcohol by weight or volume?

    Everything should be done by weight; everything.

  4. #4

    Default Re: Should the fragrance concentrate be diluted in alcohol by weight or volume?

    Quote Originally Posted by BAGreat View Post
    Just a quick question. I have tried both methods but would like to know what is done in the industry.
    You may find my blog post Weight or Volume? which explores the pros and cons helpful.
    Chris Bartlett
    Perfumes from the edge . . .

    www.perfumedesigner.co.uk
    Twitter: @PellWallPerfume

    If you are looking for a perfumery consultation Iím happy to quote: if you want free advice, thatís what these forums are for
    You can also join my blog if you wish to ask questions of me.

  5. #5

    Default Re: Should the fragrance concentrate be diluted in alcohol by weight or volume?

    Yes I have figured weight but just wanted to be sure. Thank you everyone.

  6. #6

    Default Re: Should the fragrance concentrate be diluted in alcohol by weight or volume?

    Since Iíve just been asked a question about this I thought Iíd put in here the way to get from weight to volume:

    To work out the volume of a known weight use this calculation:

    Kg divided by Specific Gravity = Litres

    or for a smaller amount:

    g divided by Specific Gravity = ml

    Notice that for a SG lower than 1 the volume will be more than the weight, when greater than 1 it will be less. Perfumery ingredients can be anywhere from 0.7 to 1.2 but itís the ethanol at roughly 0.8 that has the biggest influence on a finished fragrance.

    The same process works the other way by multiplying.
    Chris Bartlett
    Perfumes from the edge . . .

    www.perfumedesigner.co.uk
    Twitter: @PellWallPerfume

    If you are looking for a perfumery consultation Iím happy to quote: if you want free advice, thatís what these forums are for
    You can also join my blog if you wish to ask questions of me.

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