$138.99 (as of 26/12/2017 09:29 PST details )
Features:
- Heavy Metals lt 0.0001% Cl lt 0.0003%
- SO4 lt 0.001% Fe lt 0.00001%
- Pb lt 0.00002% Assay 99.5 %
- F.W. 188.00 Clarity and Color of Solution 5ml 1% 1N NaOH solution
- Cas 123 99 9 formula ho2c ch2 7co2h