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An apha platinum cobalt color analyzer system to automate the measurement within a process eliminates the visual judgment of a technician and delivers online real time process control information to the process operators.

Platinum cobalt units.

Shop a large selection of water quality testing supplies products and learn more about platinum cobalt color standard solution apha fisher chemical testing glass bottle. Pcu pt co platinum cobalt color unit. Kemtrak stainless steel npt 1 tapered pipe thread measurement cell with sapphire measurement window. Tests 0 20 50 80 110 140 170 and 200 apha color units.

The index was developed as a way to evaluate pollution levels in waste water. It was originally intended to describe the color of waste water but its usage has expanded to include other industrial applications apha color is a color scale sometimes referred to as a. Kemtrak dcp007 photometer system complete with stainless steel long pass opl 200mm measurement cell. The name preferred in astm d1209 and iso 6271 is the platinum cobalt color or pt co but apha is name in most common use in industry.

Apha color also referred to as the hazen scale and more appropriately as the platinum cobalt pt co scale is a color standard named for the american public health association and defined by astm d1209. When used the term hazen units hu may be found in product specifications. Several expressions for defining water white gradually appeared and it became evident that a more precise color standard was needed. This was accomplished in 1952 with the adoption of test method d1209 using the platinum cobalt scale.

It has since expanded to a common method of comparison of the intensity of yellow tinted samples. For determining color in water tests an unlimited number of reagents the color of water is measured by comparing the water to platinum cobalt color standards representing apha standard color units. The apha platinum cobalt color scale is described in astm d1209 standard testmethod for color of clear liquids platinum cobalt scale. Find supelco 1 00246 msds related peer reviewed papers technical documents similar products more at sigma aldrich.

The platinum cobalt scale pt co scale or apha hazen scale is a color scale that was introduced in 1892 by chemist allen hazen 1869 1930.

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