Online testing method for oil solution concentration of polyacrylonitile production used in carbon fiber
A polyacrylonitrile and carbon fiber technology, applied in the field of measurement, can solve the problems of time-consuming, cumbersome, low efficiency, etc., and achieve the effect of fast test method and improved timeliness
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example 1
[0027] Example 1, online detection of oil concentration of a certain brand
[0028] 1. Obtain the standard curve of oil concentration and refractive index;
[0029] 1.1. Prepare the oil concentration standard solution; assume that the integer value of the measured oil concentration value is α%; then the number of prepared concentration standard solutions is at least 5, one of which is α%, and the remaining half of the concentration standard solution is α%. The value is less than α%; the value of the other half of the concentration standard solution is greater than α%, and the distance between the concentration values of two adjacent standard solutions is 0.1*α%~0.5*α%; 12 points are selected in this example, and the specific content is shown in the table 1.
[0030] The concentration of table 1 oil agent concentration standard solution
[0031] Sample serial number
Concentration (%)
1
2.49966
2
2.993
3
...
example 2
[0046] Example 2, online detection of oil concentration of a certain brand
[0047] 1. Obtain the standard curve of oil concentration and refractive index;
[0048] 1.1. Prepare the oil concentration standard solution; if the integer value of the measured oil concentration value is α%, then the prepared concentration standard solution must have at least 5, one of which is α%, and the remaining half of the concentration standard solution is α%. If the value is less than α%, the value of the other half of the concentration standard solution is greater than α%, and the distance between the concentration values of two adjacent standard solutions is 0.1*α%~0.5*α%; 10 points are selected in this example, and the specific content is shown in the table 4.
[0049] The concentration of table 4 oil agent concentration standard solution
[0050] Sample serial number
Concentration (%)
1
9.97392
[0051] 2
11.988
...
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