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Technical Parameters: Color: Orange-Yellow Paper size: 45 * 7mm Product weight: 120g Package Content: 3 * Set of 80pcs Ph Paper test (240pcs) Note: 1. This pH test strip should be stored in a sealed, dark, dry place. 2. Shelf life: three years. 3. 100% return gurantee for pH test strips Common Uses and Examples of pH Acid Rain, pH = 4.3 – 5.6 ...
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