Product features: the use of non-woven SILON Germany announced that feel soft and delicate; can be used for conventional cleaning, solid color, not faded.
The dial shall be made of copper aluminum alloy, inalterable black numerals and graduation on white background. The manufacture of same will be to applicable standards.
Based on the catalytic effect of thiocyanate on the oxidation of alizarine red by potassium bromate,a new catalytic spectrophotometric method for the determination of trace thiocyanate was developed.