SH/T 1628.6-2014 in English
VALIDVinyl actate for industrial use - Part 6: Determination of hydroquinone
- Issued on:2014-05-06
- Implemented on:2014-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$253.00
本标准规定了用容量法和紫外分光光度法测定工业用乙酸乙烯酯中对苯二酚含量的方法。
本标准适用于测定对苯二酚的含量为(1~20)mg/kg的工业用乙酸乙烯酯。
Scope
This section specifies methods for the determination of hydroquinone content in industrial vinyl acetate using volumetric and UV spectrophotometric methods. This section is applicable to the determination of industrial vinyl acetate with a hydroquinone content of (1~20) mg/kg. Since the aldehyde and ketone compounds present in the sample also have UV absorption at 295 nm, when measured using UV spectrophotometry, the measurement results will be higher.

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