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Home  >>  Products  >>  Color/Gloss  >>  Apha Hazen Color Scale
Apha (Hazen) Color Scale

Using Lovibond® Nessleriser 2150 or 2250

References: BS 5339: 1962, ASTM D1209 and DIN 53409

Apha Color Scale

Used for determining the depth of color of plasticizers and also of solvents for paints and similar products.

The Lovibond® AF325 is a special kit for visual color grading of Platinum-Cobalt/Hazen/APHA Color over the range 10 - 250 mg Pt/fl. It is typically used for light yellow liquids such as ground water, oils and chemicals.


The color is determined by visually matching a column of sample in a Nessler cylinder with procalibrated colored glass standards, which are stable-colored and not affected by UV light or extreme environmental conditions. Because the sample colors are relatively unsaturated, the kit employs a long path length Nessleriser comparator to give greater measurement sensitivity and accuracy.

The Lovibond® AF325 kit is supplied with the following equipment: Nessleriser 2150, Daylight 2000 lighting unit, AF306/P, Pt-Co/Hazen disc NSH, Pt-Co/Hazen disc NSB, and Nessleriser stand.

The Platinum-Cobalt/Hazen/APHA Color scale is applied to clear, light yellow liquids, defined by specified dilutions of a platinum-cobalt stock solution, ranging from 0 at the light end of the scale to 500 at the darkest. It is used extensively in the water industry but also for clear oils, chemicals and petrochemicals such as glycerine, plasticisers, solvents, carbon tetrachloride, and petroleum spirits.


Prices

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Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices
CL-433250 AF325 Hazen/APHA Color Scale, Nessleriser 2150 Body (113mm), Daylight 2000 lighting unit, Stand, Includes Two AF306/P Nessler Tubes (113mm), NSH & NSB disc included $1,999.00
CL-172030 Nessleriser 2150 Body (113mm), Daylight 2000 lighting unit, Stand, includes Two AF306/P Nessler Tubes (113mm), No discs - Must purchase below 1,331.00
CL-172040 Nessleriser 2250 Body (250mm), Daylight 2000 lighting unit, Stand, includes Two DB420 Nessler Tubes (250mm), No discs - Must purchase below 1,419.00
Accessories
CL-353060 AF306 Nessler Tubes, pair (113 mm, 50 ml) 38.00
CL-353080 AF306/P Nessler Tubes with plunger, pair (113 mm, 50 ml) 52.00
CL-354200 DB420 Nessler Tubes (250mm) 100.00
CL-284170 NSH Disc (Range 10 - 90 mg Pt/L) for 2150 (10  20  30  40  50  60  70  80  90) 299.00
CL-284120 NSB Disc (Range 70 - 250 mg Pt/L) for 2150 (70  85  100  125  150  175  200  225  250) 299.00
CL-284150 CAA Disc (Range 0 - 30 mg Pt/L) for 2250 (0  2.5  5  7.5  10  15  20  25  30) 299.00
CL-284160 CAB Disc (Range 30 - 70 mg Pt/L) for 2250 (30  35  40  45  50  55  60  65  70) 299.00
Lovibond® and Tintometer® are the registered trade marks of The Tintometer Ltd., Amesbury, UK.



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