3.3.1 SP239 In the first sentence, replace, &quot; sodium, sulphur and/or polysulphides &quot; with &quot; sodium, sulphur or sodium compounds (e.g. sodium polysulphides and sodium tetrachloroaluminate) &quot; .
3.3.1 SP239 In the first sentence, replace, &quot; sodium, sulphur and/or polysulphides &quot; with &quot; sodium, sulphur or sodium compounds (e.g. sodium polysulphides and sodium tetrachloroaluminate) &quot; .