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How to test the purity of the Best graphite powder material

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  • Time of issue:2022-10-01
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(Summary description)The purity of the Best graphite powder material is an important parameter of graphite powder, which is required to be understood by the Best graphite powder manufacturers and customers. Graphite itself is the natural crystalline mineral of carbon element, and the fixed carbon content is the main indicator of the purity of he Best graphite powder material. All parameters of the Best graphite powder material should be tested before leaving the Best graphite powder factory or reprocessing, among which the purity test of the Best graphite powder material is an important one.

How to test the purity of the Best graphite powder material

(Summary description)The purity of the Best graphite powder material is an important parameter of graphite powder, which is required to be understood by the Best graphite powder manufacturers and customers. Graphite itself is the natural crystalline mineral of carbon element, and the fixed carbon content is the main indicator of the purity of he Best graphite powder material. All parameters of the Best graphite powder material should be tested before leaving the Best graphite powder factory or reprocessing, among which the purity test of the Best graphite powder material is an important one.

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2022-10-01
  • Views:0
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The purity of the Best graphite powder material is an important parameter of graphite powder, which is required to be understood by the Best graphite powder manufacturers and customers. Graphite itself is the natural crystalline mineral of carbon element, and the fixed carbon content is the main indicator of the purity of he Best graphite powder material. All parameters of the Best graphite powder material should be tested before leaving the Best graphite powder factory or reprocessing, among which the purity test of the Best graphite powder material is an important one.

The purity measurement of the Best graphite powder material is to detect the proportion of fixed carbon content of the Best graphite powder material. Because graphite has good chemical stability at room temperature, it is not convenient to directly measure its carbon content. Generally, the high temperature volatilization method of the material to be measured is used to convert the carbon content. That is, the carbon content is calculated according to the value that graphite is oxidized to carbon dioxide and volatilized at high temperature. The calculation method of purity of the Best graphite powder material is fixed carbon (%)=100% - ash (%) - volatile matter (%).

The specific method for testing the purity of the Best graphite powder material is: use an electronic analytical balance to weigh two 1g samples of the Best graphite powder material, put them into a double cover porcelain crucible and a graphite boat of known weight, bake them in a 105 ℃ drying oven to the balance weight, and record the weight of the Best graphite powder material G1 and G2 respectively. Put the double cover porcelain crucible filled with the Best graphite powder material into the high temperature furnace, keep the temperature at 950 ℃ for 7 minutes with a stopwatch, take it out and cool it to room temperature in a dryer, weigh the weight of the Best graphite powder material G3, take out the Best graphite powder material from the graphite boat containing the Best graphite powder material, keep the temperature at 950 ℃ for 90 minutes in the high temperature furnace, and cool it to room temperature. At this time, the weight of the material is the weight of ash G4. First, calculate the volatile matter V (%) of graphite powder=(G1-G3)/G1 × 100%, so the formula C (%)=[(G2-V-G4)/G2] × 100%。 The purity of the Best graphite powder material is a very important parameter, especially when testing the purity of high-purity the Best graphite powder material, so that the purity of the Best graphite powder material needs to meet the purity requirements of high-purity the Best graphite powder material to be considered as qualified products.

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