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Name：Sodium Chlorate
Synonyms： Natriumchlorat
Sodium Chlorate
chlorate de sodium
Sodium chlorate (industrial)
CAS：7775-09-9
EINECS：231-887-4
Molecular Formula：NaClO3
Molar Mass：106.441
Melting Point：248-261℃
Water Solubility：1000 g/L (20℃)
Physical and Chemical Properties：Characteristics of colorless or white cubic crystal system. The taste was salty and cool.
melting point 255 ℃
relative density 2.490
solubility soluble in water, soluble in ethanol, liquid ammonia, glycerol.
Specification for Sodium Chlorate 99.5%
| SODIUM CHLORATE 99.5% MIN | |||
| ITEM | SPECIFICATION | RESULTS OF ANALYSIS | STANDARD NO. |
| SODIUM CHLORATE | 99.5 MIN | 99.50% | GB/T1618-2018 |
| H2O | 0.10% MAX | 0.03% | GB/T1618-2018 |
| WATER INSOLUBLES | 0.01% MAX | 0.01% | GB/T1618-2018 |
| NACL | 0.15% MAX | 0.01% | GB/T1618-2018 |
| SULPHATE | 0.1% MAX | 0.01% | GB/T1618-2018 |
| CR | 0.005% MAX | 0.01% | GB/T1618-2018 |
| FE | 0.005% MAX | 0.0003% | GB/T1618-2018 |
What is the role of sodium chlorate in metal pyrometallurgy?
1. Play the role of oxidant: Sodium chlorate can release oxygen under high temperature conditions, and promote the reduction of metals through oxidation reactions. For example, in the process of roasting and smelting silver ore, sodium chlorate can be used as an oxidizing agent to reduce the silver in silver ore to metallic silver.
2. Improve the properties of the melt: Sodium chlorate can reduce the melting point and viscosity of the melt, thereby increasing the fluidity and diffusion speed of the melt, which is beneficial to the separation and purification of metals.
3. Catalytic reaction: In some metal reduction reactions, sodium chlorate can catalyze the reduction reaction speed of metals and improve the reaction efficiency. For example, in the thermal reduction reaction of zinc, sodium chlorate can be used as a catalyst to catalyze the reduction of zinc.
4. Eliminate impurities: Sodium chlorate can form insoluble compounds with some impurities, thereby promoting the separation and removal of impurities. For example, during the smelting process of aluminum, sodium chlorate can form insoluble compounds with impurity elements in aluminum to separate out the impurities.
To sum up, sodium chlorate acts as an oxidizing agent, improves melt properties, catalyzes reactions and eliminates impurities in metal pyrometallurgy, and promotes the separation, purification and reduction of metals.
Name：Sodium Chlorate
Synonyms： Natriumchlorat
Sodium Chlorate
chlorate de sodium
Sodium chlorate (industrial)
CAS：7775-09-9
EINECS：231-887-4
Molecular Formula：NaClO3
Molar Mass：106.441
Melting Point：248-261℃
Water Solubility：1000 g/L (20℃)
Physical and Chemical Properties：Characteristics of colorless or white cubic crystal system. The taste was salty and cool.
melting point 255 ℃
relative density 2.490
solubility soluble in water, soluble in ethanol, liquid ammonia, glycerol.
Specification for Sodium Chlorate 99.5%
| SODIUM CHLORATE 99.5% MIN | |||
| ITEM | SPECIFICATION | RESULTS OF ANALYSIS | STANDARD NO. |
| SODIUM CHLORATE | 99.5 MIN | 99.50% | GB/T1618-2018 |
| H2O | 0.10% MAX | 0.03% | GB/T1618-2018 |
| WATER INSOLUBLES | 0.01% MAX | 0.01% | GB/T1618-2018 |
| NACL | 0.15% MAX | 0.01% | GB/T1618-2018 |
| SULPHATE | 0.1% MAX | 0.01% | GB/T1618-2018 |
| CR | 0.005% MAX | 0.01% | GB/T1618-2018 |
| FE | 0.005% MAX | 0.0003% | GB/T1618-2018 |
What is the role of sodium chlorate in metal pyrometallurgy?
1. Play the role of oxidant: Sodium chlorate can release oxygen under high temperature conditions, and promote the reduction of metals through oxidation reactions. For example, in the process of roasting and smelting silver ore, sodium chlorate can be used as an oxidizing agent to reduce the silver in silver ore to metallic silver.
2. Improve the properties of the melt: Sodium chlorate can reduce the melting point and viscosity of the melt, thereby increasing the fluidity and diffusion speed of the melt, which is beneficial to the separation and purification of metals.
3. Catalytic reaction: In some metal reduction reactions, sodium chlorate can catalyze the reduction reaction speed of metals and improve the reaction efficiency. For example, in the thermal reduction reaction of zinc, sodium chlorate can be used as a catalyst to catalyze the reduction of zinc.
4. Eliminate impurities: Sodium chlorate can form insoluble compounds with some impurities, thereby promoting the separation and removal of impurities. For example, during the smelting process of aluminum, sodium chlorate can form insoluble compounds with impurity elements in aluminum to separate out the impurities.
To sum up, sodium chlorate acts as an oxidizing agent, improves melt properties, catalyzes reactions and eliminates impurities in metal pyrometallurgy, and promotes the separation, purification and reduction of metals.
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