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{"title":"Ammonium Sulfate Crystal 21% N - Nitrogen Fertilizer with Fire Retardant and","imgUrl":"https:\/\/img.chinax.com\/nimg\/30\/97\/78e0011b208e64f9f10055957789-200x200-1\/ammonium_sulfate_crystal_21_25_n_nitrogen_fertilizer_with_fire_retardant_and_yeast_nutrient_properties.jpg","attrs":{"Brand Name":"SiChun HongJian","Model Number":"Ammonium Sulfate","Place of Origin":"China","Minimum Order Quantity":"10Tons"}}
{"title":"High Purity 99% Sodium Thiosulfate Pentahydrate for Photographic Fixer and","imgUrl":"https:\/\/img.chinax.com\/nimg\/ad\/af\/9ee46c38a4653eefd6d15b2ed442-200x200-1\/high_purity_99_25_sodium_thiosulfate_pentahydrate_for_photographic_fixer_and_cyanide_antidote_applications.jpg","attrs":{"Brand Name":"SiChun HongJian","Model Number":"Sodium thiosulfate","Place of Origin":"China","Minimum Order Quantity":"10Tons"}}
{"title":"Sodium Thiosulfate Anhydrous Na\u2082S\u2082O\u2083 99% Purity Water Dechlorinator and Non","imgUrl":"https:\/\/img.chinax.com\/nimg\/26\/3a\/72b32df895a3175840a39bc42e44-200x200-1\/sodium_thiosulfate_anhydrous_na_e2_82_82s_e2_82_82o_e2_82_83_99_25_purity_water_dechlorinator_and_non_cyanide_gold_leaching_agent.jpg","attrs":{"Brand Name":"SiChun HongJian","Model Number":"Sodium thiosulfate","Place of Origin":"China","Minimum Order Quantity":"10Tons"}}
{"title":"Industrial Grade Polyacrylamide PAM Water Treatment Agent Soluble in Water Clear","imgUrl":"https:\/\/img.chinax.com\/nimg\/8b\/45\/1b4deb00445763d3f29951644872-200x200-1\/industrial_grade_polyacrylamide_pam_water_treatment_agent_soluble_in_water_clear_colorless_liquid.jpg","attrs":{"Brand Name":"sichuan hongjian","Model Number":"25kg\/bag","Place of Origin":"China","Minimum Order Quantity":"10 tons"}}
{"title":"Sodium Thiosulfate 98% Industrial Grade Curing Agent And Water Treatment","imgUrl":"https:\/\/img.chinax.com\/nimg\/c4\/49\/6098df16e349ce3335b88c35ba0b-200x200-1\/sodium_thiosulfate_98_25_industrial_grade_curing_agent_and_water_treatment_dechlorination_agent.jpg","attrs":{"Brand Name":"SiChun HongJian","Model Number":"Sodium thiosulfate","Place of Origin":"China","Minimum Order Quantity":"10Tons"}}
{"title":"Industrial Composite Carbon Source for Wastewater Treatment with High Denitrific","imgUrl":"https:\/\/img.chinax.com\/nimg\/ef\/91\/b1e7a636208a1c96be4dc2c8ab3a-200x200-1\/industrial_composite_carbon_source_for_wastewater_treatment_with_high_denitrification_efficiency_and_low_temperature_adaptability.jpg","attrs":{"Brand Name":"SiChun HongJian","Model Number":"Composite carbon source","Place of Origin":"China","Minimum Order Quantity":"10Tons"}}
Sodium thiosulfate, commonly known as "Hypo," is a versatile and important inorganic chemical product, typically found as colorless, transparent pentahydrate crystals. Our product offers high-quality industrial-grade crystals whose unique chemical properties make them indispensable in several professional fields, including photography, water treatment, medical emergency, and mining.
Core Applications
Photographic Fixer
This is the most classic application of sodium thiosulfate. In the processing of traditional film and photographic paper, the unexposed silver halide remaining after development remains light-sensitive and would darken the image. Sodium thiosulfate reacts with these silver halides to form stable, water-soluble complexes, completely dissolving and washing them away from the photographic material. This permanently fixes the image, making it an essential chemical in darkroom processes.
Efficient Water Dechlorinator
In aquaculture, potable water treatment, and swimming pool maintenance, sodium thiosulfate is a safe and highly effective neutralizer for residual chlorine. It rapidly undergoes a redox reaction with leftover chlorine or hypochlorite in water, producing harmless products like sodium chloride, thereby instantly eliminating chlorine's toxicity. This protects chlorine-sensitive fish, microorganisms, and downstream water treatment equipment.
Medical Antidote
In clinical settings, sodium thiosulfate is one of the specific antidotes for cyanide poisoning. Its mechanism of action involves serving as a sulfur donor. Catalyzed by enzymes in the body, it converts the highly toxic cyanide ions into thiocyanate, which is less toxic and readily excreted in urine. It is often used in conjunction with drugs like sodium nitrite and is a critical standby medication in emergency kits and specific industrial environments.
Environmentally Friendly Reagent for Gold Leaching
In gold extraction, sodium thiosulfate is gaining increasing attention as a non-cyanide lixiviant. Catalyzed by ammonia and copper ions, it can form stable complexes with gold, dissolving it. This method offers advantages of lower toxicity and relative environmental friendliness, making it suitable for ores incompatible with cyanidation or for use in regions with stringent environmental regulations.
Product Features & Benefits
High purity industrial-grade crystals
Excellent solubility and stable reactivity
Multiple packaging specifications available
Suitable for laboratory research to large-scale industrial applications
Professional technical support provided
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2013
Total Annual:
7000000-10000000
Employee Number:
130~150
Ecer Certification：
Verified Supplier
Sichuan Hongjian Chemical is a comprehensive enterprise specializing in the trade of chemical products. Since entering the chemical industry in 1995, it has always been dedicated to providing supply chain services for chemical raw materials, fine chemicals and environmental protection ... Sichuan Hongjian Chemical is a comprehensive enterprise specializing in the trade of chemical products. Since entering the chemical industry in 1995, it has always been dedicated to providing supply chain services for chemical raw materials, fine chemicals and environmental protection ...
