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| DUOTEST |
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| DUOTEST – double zone pH-papers |
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These indicator papers show two different colors for each pH-value at intervals of 0.3 – 1 pH-unit. This allows more accurate reading and good estimation of intermediate values.
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| DUOTEST test strips at a glance |
| DUOTEST range |
pH gradation |
REF |
| pH 1 - 12 |
1-2-3-4-5-6-7-8-9-10-11-12 |
90301 |
| pH 1.0 - 4.3 |
1.0-1.3-1.6-1.9-2.2-2.5-2.8-3.1-3.4-3.7-4.0-4.3 |
90302 |
| pH 3.5 - 6.8 |
3.5-3.8-4.1-4.4-4.7-5.0-5.3-5.6-5.9-6.2-6.5-6.8 |
90303 |
| pH 5.0 - 8.0 |
5.0-5.3-5.6-5.9-6.2-6.5-6.8-7.1-7.4-7.7-8.0 |
90304 |
| pH 7.0 - 10.0 |
7.0-7.3-7.6-7.9-8.2-8.5-8.8-9.1-9.4-9.7-10.0 |
90305 |
| pH 9.5 - 14.0 |
9.5-10.0-10.5-11.0-11.5-12.0-12.5-13.0-13.5-14.0 |
90306 |
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NEW:
pH-Fix in
snap-cap tubes
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easy - relaxing - safe
read more...
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