Chromium Potassium Sulphate 98% Purplish Red Rhomboid Crystal

• Customization: Available
• CAS No.: 7788-99-0
• Formula: Crk(So4)2·12H2O
• Model NO.: industry grade
• EINECS: 233-401-6
• Classification: Chrome
• Grade Standard: Industrial Grade
• Kind: No Salt Oxide
• Quality: First Class
• Color: Purple
• Transport Package: 25kg
• Specification: 98%
• Trademark: no
• Origin: Gansu
• HS Code: 2833299090
• Production Capacity: 12000t/Year

Product Description

Potassium chromium sulfate is an inorganic compound used as an analytical reagent. It is used as a film hardener in photographic fixer, a chromium complexing agent in the production of dyes such as active red brown K-B3R, neutral purple BL, neutral orange RL and neutral pink BL, and a mordant for printing and dyeing. It is also used in glass, ceramics and other fields. It is used as a cross-linking agent for oil fracturing fluid, as well as a tanning agent, mordant, photographic fixer, etc

Item	Specification	Test Result
KCr(SO4)2 ·12H2O	98%min	98.8%
Cr2O3 content	14.5%min	14.88%
Fe	0.05%max	0.033%
Water-insoluble matter	0.1%max	0.05%
H2SO4	1%max	0.98%

Product use

1.Used as leather tanning agent, printing and dyeing mordant, photographic fixer, etc.
2.Used as analytical reagent. Used as a film hardener for photographic film in photographic fixer, used as a chromium complexing agent in the production of dyes such as active red brown K-B3R, neutral purple BL, neutral orange RL and neutral pink BL, and a mordant for printing and dyeing. Also used in glass, ceramics and other fields.
3.Used as a cross-linking agent for oil fracturing fluid, as well as a tanning agent, mordant, photographic fixer, food additive, etc.
4.Used as an analytical reagent. Used as a fixative in microscopic analysis. Used in photographic platemaking.
5.Potassium chromium sulfate is used in trivalent chromium plating and passivation solutions.