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The pH 4.5-10 test strip is ideal for accurate measurement of most foods & drinks as well as urine, saliva & water-the 1 strip for all your health concerns.
pH paper, 4.5-10 (0.5 steps), 3 pad, ~100/pack
PRICE BREAKS - The more you buy, the more you save.Quantity1+2+ 3+ 10+ 100+ Price for each$14.00USD$13.50USD$13.25USD$12.50USD$11.50USDYour savings- 3.57%5.36%10.71%17.86%
The pH 4.5-10 test strips are an extended version of the 5.5-8 strips and come with triple pads for enhanced pH verification. They are also useful for science fair demonstrations where better precision rather than the full 1-14 range are needed. This can be very handy when testing different foods and drinks which occur mostly in this range.
While they cover a narrower range than the pH 1-14 strips the 3 test pads has the better 0.5 pH resolution; with practice, one can estimate 0.25 pH intervals. Typically only two of the three pads change colour at any given pH level which you match with the closest 3 on the color chart.
The pads on an unused strip are calibrated at ~pH5.75 with the yellow pad at the end of the strip matching the yellow under "pad 1" (bottom of the strip) on the color chart. Changes can be subtle & appear different under fluorescent, incandescent or sunlight. So, experiments done in the kitchen might appear a bit different when repeated in a school gymnasium.
Note: These strips come in a special dispenser pack with 100 strips. The number of strips per pack is approximate.
In addition to this narrow range acid-base test strip, there are also wide range acid-base pH test strips.
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