COLOR SCALES - Lab-Wissen

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COLOR SCALES

COLOR SCALE
REFERENCES
SCOPE
RANGE
ADMI
(full spectrum and tristimulus filter)

American Standard Methods 2120 E
Colored waters and tinted liquids
1 – 500
Acid Wash Color
ASTM D848
Quality testing of industrial aromatic hydrocarbons
1 – 14
ASBC
-American standard for Color grading of beers; derived from EBC Color
1.2 – 10.6
(extended range by dilution and reduction in path length)
ASTM Color
ASTM D1500, D6045, ISO 2049
A wide range of petroleum products including lubricating oils, heating oils and diesel fuel oils
0.5 – 8 units
Chinese Pharmacopoeia Color Series
CP Appendix IX A
Pharmaceutical solutions
YG1 – 10; Y1 – 10; OY – 10; OR1 – 10; BR1 – 10
EBC Color
EBC Color
Beers, malts and caramels and similarly Colored liquids. Based either on absorption at 430 nm or CIE x y chromaticity co-ordinates
2 – 27 units
(extended range by dilution and reduction in path length)
European Pharmacopoeia Color Series
Ph. Eur. Method 2.2.2
Pharmaceutical solutions
R1 – 7; Y1 – 7; B1 – 9; BY1 – 7; GY1 – 7
FAC Color
FAC Color
Approved by the Fats Analysis Committee of the American Oil Chemists Society for grading dark Colored oils, fats and tallows.
1 – 45 (odd numbers)
Gardner Color
ASTM D1544, D6166, AOCS Td 1a
Chemicals and oils ranging from pale yellow to red, such as resins, varnishes, drying oils, lecithins and fatty acids
1 – 18 units
Hess-Ives Color Units
DGK F050.2
Chemicals and surfactant liquids
-
Honey Color
(Pfund Equivalents)

-Commercial honeys, ranging from pale yellow through amber to deep red
0 – 115 mm Pfund
ICUMSA Color
ICUMSA GS1-7, ICUMSA GS2/3-9
Sugar solutions & syrups
-
Iodine Color
DIN 6162
Solvents, plasticisers, resins, oils and fatty acids ranging from yellow to brown
1 – 500 units
Klett Color
(blue filter KS-42)

AOCS Dd 5-92
Detergents and surfactants
0 – 1000 units
Pt-Co/Hazen/APHA Scale
ASTM D1209, D5386
Water and other clear liquids such as plasticizers, solvents and petroleum spirits
0 – 500 mg Pt/l
Rosin, US Naval Stores
ASTM D509
Rosins varying in Color from yellow to reddish orange
XC – D + FF
Saybolt Color
ASTM D156, D6045, JIS K 2580
Light Colored petroleum products including aviation fuels, kerosene white mineral oils, hydrocarbon solvents and petroleum waxes
 –16 (darkest) to +30 (lightest)
Series 52 (Brown)
-Beers, whiskies and sugar solutions
1– 38 units
Yellowness Index
ASTM D1925, E 313
Determination of the degree of yellowness under daylight illumination. Calculated from X Y Z tristimulus values
-
US Pharmacopoeia Color
USP (631) Color and Achromicity
Pharmaceutical solutions
A – T
CIE Values
ASTM E308
X Y Z tristimulus values; x y Y chromaticity co-ordinates; CIE L*a*b Colorspace; ∆E Color difference; L*C*h Color space2), Hunter L a b Color space
Defi ned by spectrum locus
Spectral data (420 – 710 nm)
-
Transmittance (full spectrum and at specified wavelengths)
 Optical density (full spectrum and at specified wavelengths)
0 – 100%
0 – 2.5




 
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