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Table 2.
The composition of the retarding and water-reducing agent.
| pH | Water insoluble | Sulfate | Iron ion content | Chloride content |
|---|---|---|---|---|
| ≤ 7 | ≤ 0.005 | ≤ 0.005 | ≤ 0.0005 | ≤ 0.0005 |