Currently, our pH test strips are designed for testing buffered solutions, and the calibrations (color charts) are made on buffers against a pH-meter measurement. For non- or low-buffered solutions, these strips are not suitable. For [...]
Test strips should be stored in closed vials/bags,in a cool, dry place out of direct sunlight. The ideal condition is 25C (77F). A range of 20C (68F) - 30C (86F) is acceptable. Test strips should not [...]
If you believe that the solution you are using contains chlorine and yet after testing it with chlorine test paper, the strip is still white, you may be seeing what is referred to as the [...]
Testing should be done at least once daily in smaller restaurants, and more frequently in busy establishments as each time the rinse solution is used, it will get slightly diluted.
Unless otherwise stated, Precision Laboratories test strips have a shelf-life of two years from the date of purchase when stored properly.
No. Litmus papers are qualitative strips, meaning they employ a color change, not a specific color chart, to indicate whether a water sample is acidic, basic or neutral. The specific pH value is not determined.
This depends upon your local health code. In many areas, the level is 50-100ppm available chlorine. It is best to check with your local health inspector for the level required in your area. Federal regulations [...]
Click Here for (106) QAC Paper SDS
Click Here for (106-QR5) QAC QR5 Paper SDS
Click Here for (110, 210, 310, 410) Universal pH Paper SDS