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Reel, lead acetate, 7 mm × 50 m, pH indicators and test papers, specialized test papers, dispenser Reel, lead acetate, dispenser. Instant pH readings. Accurate for a wide range of routine pH testing. Inexpensive. Convenient and portable for field use. GE Healthcare offers a range of pH indicator and test papers to meet specific needs. These highquality products combine easeofuse with unsurpassed accuracy and consistency. The convenience of using indicator papers for the rapid determination of pH values has led to many applications in laboratories and in industry. Used for detecting hydrogen sulfide, this rapid qualitative test paper when wetted with distilled water can detect as little as 5 ppm of H?S in the atmosphere or in a gas stream. Hydrogen peroxide can be detected with this paper by preblackening the paper in H?S. Concentrations as low as 4 ppm can be detected. Lead Acetate Test Paper

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