ISO 423:1994
Photography — Processing chemicals — Specifications for hydroquinone
发布时间:1994-04-21 实施时间:


对苯二酚是一种常用的摄影处理化学品,主要用于黑白胶片和纸张的显影。ISO 423:1994标准规定了对苯二酚的物理和化学性质、纯度、包装、标记和储存等方面的要求,以确保对苯二酚的质量和安全性能。

该标准规定了对苯二酚的外观应为白色或淡黄色结晶,不应有杂质。对苯二酚的纯度应不低于99.0%。对苯二酚的包装应符合相关的国家或地区的法规要求,标记应清晰明确,包括对苯二酚的名称、纯度、批号、生产日期等信息。对苯二酚的储存应在干燥、阴凉、通风的地方,避免阳光直射和高温。

对苯二酚是一种有毒化学品,使用时应注意安全。在使用对苯二酚时,应佩戴防护手套、口罩等个人防护装备,避免直接接触皮肤和呼吸道。使用后应及时清洗,避免残留。

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