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Litmus papers, rolls
                                            Information
                                                                
                    Comes on rolls, 10 mm wide and 5 m long.
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| Variant | Blue pH 8.0-5.0 | 
| Transition | alkaline/acid | 
| Color change | blue/red | 
| Pack. (roll) | 1 | 
| Article code | 8222.1 | 
| SKU | 8222.1 | 
| Delivery | 3-4 days | 
| Variant | Neutral pH 5.0-8.0 | 
| Transition | to acid to alkaline | 
| Color change | violet/red violet/blue | 
| Pack. (roll) | 1 | 
| Article code | 8223.1 | 
| SKU | 8223.1 | 
| Delivery | 3-4 days | 
| Variant | Red pH 5.0-8.0 | 
| Transition | acid/alkaline | 
| Colour cover | red/blue | 
| Pack. (roll) | 1 | 
| Article code | 8224.1 | 
| SKU | 8224.1 | 
| Delivery | 3-4 days | 
Comes on rolls, 10 mm wide and 5 m long.