Description
SHANGHAI YIXIN CHEMICAL CO., LTD
ADD: No. 818, Tianzhu Road, Jiading District, Shanghai, China (Mainland)
TEL: +86-021-59159725 FAX:+86-021-39517711
CERTIFICATE OF ANALYSIS
Product Boric acid
Date of Manufacturing May 2, 2023
Date of Analysis May 2, 2023
Item Standard Result
purity% 99.5%min 99.62%
Cl% 0.01%max 0.006%
SO4% 0.1%max 0.07%
Fe% 0.001%max 0.0005%
Insoluble matter 0.01%max 0.004%
Pb % 0.001%max 0.0002%
ORIGIN: CHINA