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Color Hydrion Paper 93 Dispenser Review




Revainrating 3.5 out of 5  
🔬 Substance Analysis Instrumentation, 🔍 Test, Measure & Inspect

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Description of Color Hydrion Paper 93 Dispenser

Has a distinct color match at each full pH unit. Accurate, reproducible readings with an immediate response. Hydrion Wide Range pH Paper is a general use pH paper. Each roll is about 15 feet of test paper and matching color chart. A direct reading pH paper with the widest range available in a single paper.


Global ratings 3
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Type of review

Revainrating 1 out of 5

Inaccurate: pH test strips

At first I thought the paper worked well - turning orange with acids and greenish with my tap water. Then I tried bleach. He registered bleach as a weak acid! Well, that's not entirely true. He showed the bleach as a dark green for the base - literally a split second before it turned orange. Seriously, blink and you'll miss it. You may not have had time to compare the paper to the chart to see how easy it is. I've tried submerging it and also using an eyedropper to put a drop of bleach on the…

  • Each roll contains approximately 15 feet of test paper and corresponding color chart
  • No results

Revainrating 5 out of 5

Came green, still works!

I hesitated to purchase this product because of bad reviews stating that paper turns green in humid climates. I am a taxidermist and need to test my tanning solution to see if it is good for grooming. At first I was pissed, I live in Florida and of course the whole reel came in green. But the stripes still work. I dipped the strip in milk and it showed a value of 7. Then I dipped the strip in the acid I use to stir the brine for the skins and it immediately turned bright red, meaning "0"…

  • Accurate, repeatable readings with instant response
  • Not sure

Litmus paper works reasonably well for an order of magnitude accuracy and the colors that result from use match very well with the color indicator label in the plastic holder. You have to protect it very strongly from moisture, otherwise your readings will be distorted. I like to photograph used litmus paper in front of a colored indicator label for the second data entry (the first is the actual pH recorded on the notepad); However, the plastic case is so reflective that if you use it in a…

  • Hydrion pH paper Wide range of general purpose pH paper
  • old