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- Water Testing
- pH Paper, Indicator Paper & Test Strips
- pH Test Papers
- DUOTEST pH 3.5 - 6.8 refill pack with 3 reels
DUOTEST pH 3.5 - 6.8 refill pack with 3 reels
DUOTEST pH 3.5 - 6.8 refill pack with 3 reels
Now
- £42.87 excl. VAT
- £51.44incl. VAT
Was
- £61.24 excl. VAT
- £73.49incl. VAT
SKU - 1138830
90313
SKU -
1138830
1 In Stock
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Print PageDuotest Papers are indicator papers having two complementary indicator zones, separated by a white centre band.
These papers have the following advantages:
These papers have the following advantages:
- Greater accuracy - two different indicator zones on one strip.
- Better readability - white centre strip is hydrophobic, does not absorb liquids and hence acts as a contrast medium.
- Higher mechanical strength - white centre retains same physical strength as in its dry state.
- Dispenser is designed so that end of paper strip is always within reach. No need to open dispenser to retrieve end.
- Dispenser design permits fast and easy insertion of readily available, economically priced replacement reels.
