الوصف

Lignosulphonates Vyborg Russia

(technical powder, Sodium based)

1. Appearance:

homogeneous powder of light-brown color

2. Mass fraction of main substances,

% not less *6

3. Mass fraction of dry substances  %,

not less *2

4. Ash content relating to mass of dry substances,

(identification of index carries out according

TU in china melting pots at t° **0°C),

%, not more *1

5. Hydrogen ions concentration of LST solution,

pH not less 4

6.  Mass fraction of reducing substances relating to mass of dry substances, %, not more 7,5