Chromic sulfate

Molecular Formula：
Cr2(SO4)3·6H2O

Molecular Weight：
500.27

Alias：
Chromium sulfate

Product order：

Name	Specifications	Packing	Price	Delivery
Chromic sulfate	电镀级	1kg	RMB 85.8	Consulting service
Chromic sulfate	CP	25Kg	RMB 748	Consulting service
Chromic sulfate	CP	500g	RMB 52.8	Consulting service

Character：
绿色粉末或暗绿色片状。本品除六合物外，尚含有多种不同结晶水，最多可达18分子结晶水。色泽由绿到紫不等含结晶水的可溶于水，其无水物则不溶。难溶于醇。
熔点：90ºC

Quality Standard：
   
   项目Item                                     分析纯   化学纯
                                               (AR)   (CP)
含量[Cr2(SO4)3·6H2O]Assay,%                ≥ 99.0   98.0
水不溶物Insoluble matter in water,%         ≤ 0.01   0.02
氯化物(Cl)Chloride,%                        ≤ 0.005  0.01
钠(Na)Sodium,%                              ≤ 0.05   0.1
铝(Al)Aluminum,%                            ≤ 0.02   0.05
钾(K)Potassium,%                            ≤ 0.05   0.01
钙(Ca)Calcium,%                             ≤ 0.005  0.01
铁(Fe)Iron,%                                ≤ 0.003  0.005

技术指标                                   电镀级
Cr2(SO4)3·6H2O,%                          ≥98.0
水不溶物Insoluble matter in water,%        ≤0.02
氯化物(Cl)Chloride,%                       ≤0.01
铝(Al)Aluminum,%                           ≤0.05
铁(Fe)Iron,%                               ≤0.01
钙(Ca)Calcium,%                            ≤0.01
钠(Na)Sodium,%                             ≤0.05
钾(K)Potassium,%                           ≤0.05

Storage：
密封保存
用途  三价铬钝化、电镀添加剂；用于制备含铬催化剂，印染工业用作媒染剂，用于玻璃和陶瓷釉彩和腐蚀阻抑剂。