whatman 醋酸铅测试纸

Reel, lead acetate, 7 mm × 5 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 high-quality products combine ease-of-use 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.

Lead Acetate Test Paper

Used for detecting hydrogen sulfide, this rapid qualitative test paper when wetted with distilled water can detect as little as 5 ppm of H₂S in the atmosphere or in a gas stream. Hydrogen peroxide can be detected with this paper by preblackening the paper in H₂S. Concentrations as low as 4 ppm can be detected.