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# GB/T 8144 阳离子交换树脂交换容量测定方法
- 规定阳离子交换树脂交换容量(mmol/g)测定方法。
- 原理:树脂经酸/碱转型后,用标准溶液滴定测定交换容量。
- 结果用于质量分级:交换容量 ≥ 规定值(如 ≥ 4.2 mmol/g)为合格品。
- 测定结果按批次录入 LIMS(tag_id: LIMS.ExchangeCapacity),供质量预测模型训练。