| ≥1 piece |
| Item | Standard |
| Appearance | White crystalline powder |
| Assay | >99.0% |
| Heavy metal (Pb) | <20ppm |
| Arsenic | <3ppm |
| Loss on drying | <1.5% |
| Sulfate (SO4) | <0.05% |
| Chloride (Cl) | <0.05% |
| Melting point | 206 °C (dec.)(lit.) |
| PH Value | <0.5% |
| Reducing substance | <10ppm |
| Storage | in dry and cool place |
| Packing | 25kg/bag |
Usages of sodium gluconate:
Sodium gluconate can be used as food additive, electroplating complexing agent, water quality stabilizer, coloring agent for printing and dyeing industry, steel surface treatment agent, etc.
In the construction industry, as a water reducing agent, retarder, adding a certain amount of sodium gluconate to the cement can increase the plasticity and strength of the concrete, and has a retarding effect, that is, delay the initial and final solidification time of the concrete.
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