Flashing brown paste. Slightly soluble in cold .... red was diluted in the concentrated nitric acid was olive green. Its solution plus sodium hydroxide solution was reddish brown. Cotton dyed....
HENGSHUI JIUZHOU ENVIRONMENTAL PROTECTION DUST REMOVAL CO., LTD THE ORIGINAL WUYI COUNTY GUOXING CHEMICAL CO; LTD was founded in 1986, is a production of dyes and intermediate private high-tech....
Uniform dark green flash powder or small pieces. .... into blue and purple. In concentrated nitric acid is olive colored. The case of sodium hydroxide solution process purple precipitate, add....