제품 설명
회사 정보
제품 설명
CAS No.: 7681-57-4
Appearance: White Free Flowing Fine Crystal or Powder
Packing: Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.
Specification For Food Grade and Industry Grade:
Item Quality Index
Food Grade Industry Grade
Purity ( As Na2S2O5) 98.0% min 96.0% min
Sulfur Dioxide( SO2) 65.0% min 65.0% min
Arsenic ( As ) 0.0002% max -
Heavy metals ( As Pb ) 0.0005% max -
Selenium (Se ) 0.0005% max -
Iron (Fe) 0.001% max 0.002% max
Water insoluble 0.02% max 0.05% max
pH value: 4.0-4.8 4.0-4.8
Remark: Conformed with FCC V and E 223 Standard
Specification for Pharmaceutical Grade and Photo Grade
Item Quality Index
Pharmaceutical Grade Photo Grade
Purity ( As Na2S2O5) 98.0% min 98.0% min
Sulfur Dioxide( SO2) 65.0% min 65.0% min
Thiosulphate ( As S2O3): 0.05 % max 0.05% max
Chloride ( As CL-): 30 ppm max 50ppm max
Arsenic ( As ): 1ppm max 1ppm max
Lead ( Pb ): 1 ppm max 2ppm max
Copper (Cu): 1 ppm max 1ppm max
Iron (Fe ): 5 ppm max 5ppm max
Mercury (Hg): 0.1ppm max 1ppm max
Chromium (Cr): 1 ppm max -
Selenium (Se ): 1 ppm max 5ppm max
Zinc (Zn) 1 ppm max 1ppm max
Cadmium (CD ) 1ppm max -
Nickel (Ni) 1ppm max -
Na2SO3 + Na2SO4 1.5% max -
pH value: 4.0-4.8 4.0-4.8
Remark: Conformed with USP standard
Application:
(1) Food Grade: Bleach agent (e. G. Candies, cake, bamboo shoots, etc); Loose agent (e. G. Bread, cracker etc); Antiseptic and germicide (e. G. Fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e. G. Day lily, seafood, fruit and vegetable etc).
(2) Industry Grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde
The hide profession employ to do to molt dose and pliable dose and wearproof dose; Sewage treatment, and so on.
(3) Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.
(4) Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.
Storage: Store the product in a dry and cool place.
Packing photo:
1000kg Jumbo bag 25kg P. P woven bag
25kg Kraft paper bag 25kg PE bag.
Appearance: White Free Flowing Fine Crystal or Powder
Packing: Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.
Specification For Food Grade and Industry Grade:
Item Quality Index
Food Grade Industry Grade
Purity ( As Na2S2O5) 98.0% min 96.0% min
Sulfur Dioxide( SO2) 65.0% min 65.0% min
Arsenic ( As ) 0.0002% max -
Heavy metals ( As Pb ) 0.0005% max -
Selenium (Se ) 0.0005% max -
Iron (Fe) 0.001% max 0.002% max
Water insoluble 0.02% max 0.05% max
pH value: 4.0-4.8 4.0-4.8
Remark: Conformed with FCC V and E 223 Standard
Specification for Pharmaceutical Grade and Photo Grade
Item Quality Index
Pharmaceutical Grade Photo Grade
Purity ( As Na2S2O5) 98.0% min 98.0% min
Sulfur Dioxide( SO2) 65.0% min 65.0% min
Thiosulphate ( As S2O3): 0.05 % max 0.05% max
Chloride ( As CL-): 30 ppm max 50ppm max
Arsenic ( As ): 1ppm max 1ppm max
Lead ( Pb ): 1 ppm max 2ppm max
Copper (Cu): 1 ppm max 1ppm max
Iron (Fe ): 5 ppm max 5ppm max
Mercury (Hg): 0.1ppm max 1ppm max
Chromium (Cr): 1 ppm max -
Selenium (Se ): 1 ppm max 5ppm max
Zinc (Zn) 1 ppm max 1ppm max
Cadmium (CD ) 1ppm max -
Nickel (Ni) 1ppm max -
Na2SO3 + Na2SO4 1.5% max -
pH value: 4.0-4.8 4.0-4.8
Remark: Conformed with USP standard
Application:
(1) Food Grade: Bleach agent (e. G. Candies, cake, bamboo shoots, etc); Loose agent (e. G. Bread, cracker etc); Antiseptic and germicide (e. G. Fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e. G. Day lily, seafood, fruit and vegetable etc).
(2) Industry Grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde
The hide profession employ to do to molt dose and pliable dose and wearproof dose; Sewage treatment, and so on.
(3) Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.
(4) Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.
Storage: Store the product in a dry and cool place.
Packing photo:
1000kg Jumbo bag 25kg P. P woven bag
25kg Kraft paper bag 25kg PE bag.
주소:
No 51, Youyi Street, Shijiazhuang, Hebei, China
사업 유형:
제조사/공장, 무역 회사
사업 범위:
화학공업
주요 상품:
화학, 페인트, 안료, 가죽 및 직물
회사소개:
Dejia Chemicals Co., Ltd는 기초 화학 원료 및 관련 비즈니스의 연구, 생산, 판매 및 수출 사업에 전문적으로 종사하고 있습니다. 우리 세 가지 요소를 가지고 있고, 우리 현지 공장의 좋은 공장과 협력합니다. 지리적 이점이 있는 편리한 교통편을 제공합니다.
