DS/EN ISO 172-1999 标准详情
- 标准号:DS/EN ISO 172-1999
- 中文标题:塑料 - 苯酚 - 甲醛成型品 - 检测游离氨
- 英文标题:Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia
- 标准类别:丹麦DANSK
- 发布日期:1999-02-05
This standard specifies a qualitative method of detecting the presence of free ammonia or other volatile bases in phenol-formaldehyde mouldings by the exposure of an indicator paper to the vapour from a powdered sample. It may be used when the absenc
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