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1 Scope
This part of GB/T 13255 specifies the method for determining the crystallization point of caprolactam for industrial use .
2 Normative references
The clauses in the following documents become clauses of this part through the reference of this part of GB/T13255
GB/T 8170 Numerical Rounding Rules and the Expression Method and Judgment of Limit Values
3 Method summary
Observe the temperature change of the molten sample during the cooling process.
4 Instruments
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5 Installation of the instrument
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