DIN EN 881:2005
人类生活用水处理用化学试剂.氯化铝(单体)、羟基氯化铝(单体)、硫酸盐羟基氯化铝(单体)
Chemicals used for treatment of water intended for human consumption - Aluminium chloride (monomeric), aluminium chloride hydroxide (monomeric) and aluminium chloride hydroxide sulfate (monomeric); German version EN 881:2004