The titrets free SO2 test is manufactured by Chemetrics. This test is the classic 'Ripper' test for free SO2. In this ready-to-use test the sulfite in solution (wine) is titrated with an iodide titrant acid solution containing a starch indicator which turns blue upon completion of the test. The test is ready to use, is simple to understand and has a long shelf life. Manufacturer guarantees accuracy of the test +/- 5 to 10 ppm, depending on the operator, and which is normal for the traditional Ripper test. Each test is completely contained in an individual vial and no standardization is required. Complete instructions are included and each kit contains 10 ready-to-use tests.
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