ISO 182-2:1990
Plastics — Determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures — Part 2: pH method
发布时间:1990-12-13 实施时间:


ISO 182-2:1990标准适用于制备和使用氯乙烯共聚物和聚合物的化合物和产品。这些化合物和产品在高温下可能会释放氢氯酸和其他酸性产物,这可能会对环境和人体健康造成危害。因此,需要对这些化合物和产品进行测试,以确定它们是否满足相关的安全标准。

该标准使用pH法进行测定。在测试过程中,将样品加入到水中,并在恒定的温度下加热。在加热过程中,样品中释放的氢氯酸会与水反应,产生酸性物质,从而降低水的pH值。通过测量水的pH值的变化,可以确定样品中释放的氢氯酸的量。

该标准的测试方法简单易行,可以在实验室中进行。测试结果可以用于评估化合物和产品的安全性,并确定它们是否符合相关的安全标准。

相关标准
- ISO 182-1:1996 Plastics — Determination of the tency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures — Part 1: Potentiometric method
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- ISO 4892-2:2013 Plastics — Methods of exposure to laboratory light sources — Part 2: Xenon-arc lamps
- ISO 4892-3:2016 Plastics — Methods of exposure to laboratory light sources — Part 3: Fluorescent UV lamps
- ISO 4892-4:2013 Plastics — Methods of exposure to laboratory light sources — Part 4: Open-flame carbon-arc lamps