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Blue litmus paper turns red at pH 4.5 or less (acidic). Strips measure 7 x 48 mm. Note: Not for measuring the pH of natural waters, such as streams, rivers and lakes.
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8 of 8 visible.
| Product code | Length | Color | Price | Amount | ||
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116532 | 5 m | Blue | 10,85 €/pieces |
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116534 | 5 m | Red | 11,57 €/pieces |
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116536 | 5 m | Neutral | 9,75 €/pieces |
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116540 | 70 mm | Blue | 6,83 €/pieces |
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116541 | 70 mm | Red | 5,65 €/pieces |
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961400 | 100 sticks | Blue | 4,50 €/pieces |
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961401 | 100 sticks | Red | 4,50 €/pieces |
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961402 | 100 sticks | Neutral | 4,50 €/pieces |
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