$25 - $50

Part Number: 17L-262-40

*Please note we can only ship RKI products to customers within the United States

WD-05942-62 Buffer Solution, pH 10.01; 1000 mL by Oakton

Ideal for laboratory and field analysis

• All Oakton pH buffers are traceable to NIST standard reference materials
• Buffer solution lets you calibrate pH instruments to ensure accuracy
• If unopened, shelf life is 2 years
• USA buffer value of pH 10.01

*Please note we can only ship RKI products to customers within the United States

*Please note we can only ship RKI products to customers within the United States

*Please note we can only ship RKI products to customers within the United States

*Please note we can only ship RKI products to customers within the United States

*Please note we can only ship RKI products to customers within the United States

*Please note we can only ship RKI products to customers within the United States

*Please note we can only ship RKI products to customers within the United States

*Please note we can only ship RKI products to customers within the United States

TK8000-Z Acid Sanitizer Test Kit by AquaPhoenix

1 drop = Test Factor / 10mLRefill Reagents: PH9275-B, PH1605-A

WD-05942-49 High-Accuracy Buffer Solution, pH 7.000; 500 mL by Oakton

pH Calibration buffers for tight tolerances

• For meters with 0.001 resolution
• Precision reference standard: pH 7.000 ±0.002 at 25°C

71198 Cometron 7x50 by Celestron

Get ready for the next awe-inspiring comet with a pair of sleek, portable Celestron Cometron 7x50 binoculars. The large 50 mm objective lenses and multi-coated optics offer amazing light-gathering capabilities that bring celestial objects into bright, sharp focus, making them ideal for comet watching, stargazing, and viewing craters on the Moon. Cometron 7x50's wide field of view lets you explore expansive swaths of the sky to quickly pinpoint exactly the object you want to see, then keeps it in your sights without constant movement.

Cometron 7x50's rubberized aluminum housing is durable, lightweight, and tripod adaptable for extended comfort during long stargazing sessions. The binoculars come with a wide neck strap and a carrying case for security, portability, and grab-and-go convenience.

• Wide field of view reveals a larger portion of the night sky, allowing you to view more of the comet's impressive tail
• Large 50mm objective lenses have tremendous light-gathering ability, ideal for astronomical use
• Multi-coated optics dramatically increase light transmission for brighter images with increased contrast and resolution
• Large exit pupil provides maximum light during nighttime and low-light viewing sessions
• Strong and durable alumnium housing

*Please note we can only ship RKI products to customers within the United States