Approved References / Density List for Dairy Products
Started by J Young, Aug 06 2009 09:43 AM
Hi all
Does anybody have any recognised approved references / density list for dairy products we could use on our product specifications. we currently fill containers by weight but sell by volume and need to have a referenced density so we can explain why some products look and weigh different weights dependant to fat content with our customers, and that a litre bottle filled of anything may not be a litre?
Should we used a standard reference or actually test our own products and if so what would be the recommended frequency for testing?
thanks Justin
Does anybody have any recognised approved references / density list for dairy products we could use on our product specifications. we currently fill containers by weight but sell by volume and need to have a referenced density so we can explain why some products look and weigh different weights dependant to fat content with our customers, and that a litre bottle filled of anything may not be a litre?
Should we used a standard reference or actually test our own products and if so what would be the recommended frequency for testing?
thanks Justin
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It is probably best to measure at least monthly to check for seasonal variation.
The density of cows’ milk normally varies between 1.028 and 1.038 g/cm3
depending on the composition.
Typical values are:
Whole Milk 1.028
Semi Skimmed Milk 1.03
Skimmed milk 1.032
You can calculate the density using the following formula:
d @ 15 °C = 100 / ( F/0.93 + SNF/1.608 + Water)
d = density
/ = divide by
F = % fat
SNF = % Solids Non Fat
Water % = 100 – F – SNF
Regards,
Tony
The density of cows’ milk normally varies between 1.028 and 1.038 g/cm3
depending on the composition.
Typical values are:
Whole Milk 1.028
Semi Skimmed Milk 1.03
Skimmed milk 1.032
You can calculate the density using the following formula:
d @ 15 °C = 100 / ( F/0.93 + SNF/1.608 + Water)
d = density
/ = divide by
F = % fat
SNF = % Solids Non Fat
Water % = 100 – F – SNF
Regards,
Tony
A colleague of mine specialises in milk composition examiners.
As well as measuring various parameters of milk and milk products (fat, protein, lactose, solids etc.) it also measures the density then when you enter how many litres of milk you have it will give a print out showing total weight in KG.
Here is the link to his website if you are interested:
www.milk-lab.co.uk
Regards,
Simon
As well as measuring various parameters of milk and milk products (fat, protein, lactose, solids etc.) it also measures the density then when you enter how many litres of milk you have it will give a print out showing total weight in KG.
Here is the link to his website if you are interested:
www.milk-lab.co.uk
Regards,
Simon
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