批号

Lot No.

TS3R2022011301

生产日期

Manufacture date

2022.01.13

检测日期

Analysis Date

2022.01.13

检测方法     Test Method

GB/T 4482-2018

试验项目

Item(s)

标准值
Standards

测试结果

Results

Appearance

Yellowish-brown Crystal

Yellowish-brown Crystal

FeCl₃•6H₂O, %

≥96

97.28

Fe³⁺, %                

≥19.20

20.10

Fe²⁺, %

≤0.15

0.05

Insoluble substance, %     

≤1.00

<0.5

Free Acid, %            

≤0.80

0.25

Zn, ppm                 

≤738

196

As, ppm                  

≤11.8

<5

Pb, ppm                  

≤44.3

<10

Hg, ppm                  

≤1.18

<0.5

Cd, ppm                  

≤23.6

<5

Cr, ppm                  

≤150

89

结论

Conclusion

合格

Qualified