Sodium Nitrate

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EapearlChem

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Production Technology of Sodium Nitrate An overview of the mining, refining, crystallization, and purification phases involved in the conventional Chilean process of naturally extracting sodium nitrate.
Organic Extractions (Chilean Style)
Historically, natural deposits, mostly in Chile, were the source of sodium nitrate, thus the term "Chile saltpeter."
Mining: The nitrate-rich caliche ore in the Atacama Desert was mined for large amounts of sodium nitrate.
Refinement: To get rid of contaminants, the mined ore was refined. To dissolve the sodium nitrate, this required crushing the caliche and leaching it with water.
Crystallization: Next, a crystallization procedure was applied to the solution. Crystals of sodium nitrate formed when the water evaporated.
Purification: To reach the appropriate purity levels, the crystals underwent additional purification by washing and recrystallization.
Notwithstanding its historical significance, the limited natural reserves and environmental concerns have mostly led to the replacement of this approach by synthetic manufacturing techniques. Flowchart illustrating the stages involved in producing sodium nitrate synthetically, from nitric acid production to quality control.
Artificial Manufacturing
Nitric acid reacts with sodium carbonate or sodium hydroxide in the contemporary synthetic process of producing sodium nitrate.
Step 1: Nitric Acid Production
The Ostwald process is the industrial method used to manufacture nitric acid. Nitric oxide (NO) is produced by oxidizing ammonia at high temperatures using a platinum catalyst. Nitric acid (HNO₃) is created when nitric oxide is converted to nitrogen dioxide (NO₃), which is then absorbed in water.
Step 2: Sodium Hydroxide or Sodium Carbonate Reaction
Sodium nitrate is created when nitric acid reacts with sodium hydroxide (NaOH) or sodium carbonate (NaCO₃).
Following is the reaction with sodium carbonate:
2NaNO3 + H2 O + CO2 → 2HNO3 + Na2 CO3
Alternatively, HNO3 + NaOH → NaNO3 + H2 O is the reaction when sodium hydroxide is used.
Purification and Crystallization
Sodium nitrate is present in the resultant solution, which subsequently crystallizes out of it. The crystals are dried after impurities are eliminated through filtration.
Depending on the necessary purity level for a given application, extra washing or recrystallization may be necessary for further purification.
Control of Quality
To guarantee the consistency and purity of the sodium nitrate produced, quality control procedures are used at every stage of the manufacturing process.
A number of criteria are assessed on the finished product, such as purity, chemical composition, and physical characteristics.
How may your order be handled by us?
Illustration of an envelope with wings flying toward a mailbox bearing the Pearl Chem logo, signifying quick customer service.
Step 1

After you submit an enquiry, we will get in touch with you within a day. Orders for chemical sample testing can be delivered quickly.
Step 2
If sample testing is required, we will provide samples within 5 days if the sample weighs less than 50 kg. Express delivery, also known as DDU service, is advised; delivery takes 5-7 days. service from door to door.
Cargo-loaded container ship at a commercial dock.
Step 3
After the order is completed, we will ship the products to the port and retain the samples if you require bulk goods after the sample test is qualified. This will all happen within six days. Recommended shipping by sea; this service is often referred to as FOB, CFR, or CIF.Time of delivery: 10–45 days. service from port to port. A customer care agent with a headset is standing next to a smartphone that has a speech bubble containing a question mark.
Step 4
Within seven days of waiting for you to get the items, we will schedule a professional staff visit.

                                                            Molecular Formula
                                                            NNaO3
                                                        
                                                            Molar Mass
                                                            84.99
                                                        
                                                            Density
                                                            1.1g/mLat 25°C
                                                        
                                                            Color
                                                            White or colorless
                                                        
                                                            Melting Point
                                                            306 °C (dec.) (lit.)
                                                        
                                                            Boling Point
                                                            380 °C
                                                        
                                                            Specific Gravity
                                                            2.261
                                                        
                                                            Water Solubility
                                                            900 g/L (20 ºC)
                                                        
                                                            Solubility
                                                            H2O: 1M at20°C, clear, colorless
                                                        
                                                            Appearance
                                                            Solid
                                                        
                                                            Odor
                                                            Odorless
                                                        
                                                            Sensitive
                                                            Hygroscopic
                                                        
                                                            Merck
                                                            148647
                                                        
                                                            PH
                                                            5.5-8.0 (50g/l, H2O, 20℃)
                                                        
                                                            Storage Condition
                                                            Store at RT.
                                                        
                                                            Stability
                                                            Stable. Strong oxidizer – may ignite flammable material. Incompatible with cyanides, combustible material, strong reducing agents, aluminium.

The Applications of Sodium Nitrate
A young plant in fertile soil is given a hand application of granular sodium nitrate fertilizer to encourage healthy crop growth.
Fertilizers and Agriculture
Source of Nutrients: Nitrogen, a necessary nutrient for plant growth, may be found in abundance in sodium nitrate. It is a component of fertilizers that improve soil fertility and encourage crops to grow healthily.
Soil Conditioner: It enhances the qualities of the soil, promoting greater water retention and root growth.
Food Processing and Preservation
Meat Curing: Bacon, ham, and sausages are among the meats that are cured with sodium nitrate. It keeps the pigment vibrant and stops bacteria from growing, especially Clostridium botulinum, the bacteria that causes botulism.
Food Additive: It prolongs the shelf life and preserves the quality of a variety of food goods as a preservative.
High-temperature metal processing is demonstrated via a furnace in an industrial metallurgy facility that pours molten metal while shooting sparks.
Production and Commercial Uses
Metal Treatment: In metallurgy, it's used to provide metals a surface treatment, especially during nitriding procedures.
Pharmaceutical Sector: Therapeutic Applications In the pharmaceutical sector, sodium nitrate is utilized in certain therapeutic formulations, such as medications for the heart and blood vessels.
close-up shows a variety of colored medicinal pills and capsules.
A craftsman working with a blazing furnace in the backdrop, and clear glass rods in focus, demonstrate the technique of artisan glassblowing.
Production of Glass and Pottery
Glass Manufacturing: It improves the thermal characteristics of glass and lowers melting temperatures during the glass-making process, which increases energy efficiency.Ceramics: Sodium nitrate serves as a flux in pottery and ceramics, assisting in the fusion of other ingredients during firing.
Treatment of Wastewater

Odor Control: Sodium nitrate helps sulfides oxidize, which reduces sulfide smells in wastewater treatment facilities.
Denitrification Process: It provides nutrients to the bacteria that are part of the process of denitrification, which is necessary to extract nitrogen molecules from wastewater.
An aerial image demonstrates environmental management of a contemporary wastewater treatment plant featuring circular settling tanks and abundant vegetation.
A breathtaking display of pyrotechnics that lights up the night sky with a dazzling blast of color and sparkle.
Both explosives and fireworks
Fireworks are a typical component of pyrotechnics, giving fireworks the oxygen they need to produce vibrant colors and effects.
Explosives: Sodium nitrate is used in the production of explosives because of its oxidizing qualities, which facilitate the quick release of oxygen and promote burning.

Characteristics, both chemical and physical

Features: colorless crystal with three parties, rhomboid crystals, fine white crystal, or powder. tasteless, slightly bitter, and salty.
Point of melting 306.8 °C
Density relative: 2.261
Solubility: soluble in liquid ammonia and water, somewhat soluble in glycerol and acetone, soluble in ethanol and methanol.