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Industrial acrylonitrile. Determination of p-hydroxyanisole content. Spectrophotometric method (2)

 Last Update: 2022-01-11
 Source: Internet
 Author: User

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4 methylpentan 2

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6 sampling

Take samples according to GB/T3723, GB/T6678, GB/T6680

7 Analysis steps

Using acrylonitrile (4.

8 Expression of analysis results

Take the arithmetic average of the two repeated determination results as the analysis result

9 Precision

In the same laboratory, the same operator, using the same instrument, under the same operating conditions, use normal and correct operating methods to perform two repeated measurements on the same sample, and the difference between the measured values should not be greater than the average value.

10 report

The report should include the following:

e.
the name of the analyst and analysis date
.

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