1/00 | Oxides or hydroxides of sodium, potassium, or alkali metals in general |
1/02 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Oxides |
1/04 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides |
1/20 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Preparation by reacting oxides or hydroxides with alkali metal salts |
1/22 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Preparation by reacting oxides or hydroxides with alkali metal salts with carbonates or bicarbonates |
1/24 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Preparation by reacting oxides or hydroxides with alkali metal salts from or via fluorides or silico-fluorides |
1/26 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Preparation from or via cyano compounds, e.g. cyanides, cyanamides |
1/28 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Purification; Separation |
1/30 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Purification; Separation by crystallisation |
1/32 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Purification; Separation by adsorption or precipitation |
1/34 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Purification; Separation with selective solvents |
1/36 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Purification; Separation by oxidation |
1/38 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Purification; Separation by dialysis |
1/40 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Purification; Separation by electrolysis |
1/42 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Concentration; Dehydration |
1/44 | Oxides or hydroxides of sodium, potassium, or alkali metals in general Hydroxides Preparation in the form of granules, pieces, or other shaped products |
3/00 | Halides of sodium, potassium, or alkali metals in general |
3/02 | Halides of sodium, potassium, or alkali metals in general Fluorides |
3/04 | Halides of sodium, potassium, or alkali metals in general Chlorides |
3/06 | Halides of sodium, potassium, or alkali metals in general Chlorides Preparation by working up brines, seawater or spent lyes |