.

碳酸钠

指标名称 工业级 食用级
总碱量(Na2CO3)% ≥ 99.2 99.2
氯化钠(NaCl)% ≤ 0.7 0.7
铁(Fe)% ≤ 0.0035 0.004
硫酸盐(SO4)% ≤ 0.03 0.001
水不溶物% ≤ 0.03 0.000 2
烧失量2) % ≤ 0.8 0.8
堆积密度(g/ml) ≤ 0.9 0.03
粒度,180μm筛余物% ≤ 70
轻质纯碱(kg/袋) 重质纯碱(kg/袋) 备 注
40 50 采用复合塑编袋、柔性集装袋包装
750 1000


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