Chemical Analysis of stout ale
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Product Code
PT-BA-09
Proficiency Testing Scheme
Matrix
Industry Sector/s
Product Format
8 x canned or bottled products (440mL or greater)
Overview of PT samples and distribution dates:
Documentation
Product Information
Analyte Data
Analyte Name
Range
Units
Accreditation
Acidity
All
% w/v (as acetic acid)
Alcohol by volume
2-6
% ABV
Apparent Gravity (Present Gravity)
All
°Plato
Attenuation Limit
All
°Plato
Bitterness (Factor = 50)
All
BU
Carbon Dioxide
≤4.0
g/L
Colour @ 430 nm
0-10 >10-40 >40-80 >80
EBC
Foam stability (HRV)
All
seconds
Original extract
All
°Plato
Original gravity
1030-1050
°Sacc
pH
All
pH Units
Present gravity
All
°Sacc
Remainder (PG – Attenuation Limit)
All
°Plato
Total diacetyl
>4.0
mg/L
Total VDK
All
mg/L
Turbidity
<0.1
NTU
For details on the full technical specification of the scheme, please refer to the Scheme Description.