$25 - $50

PH7500-P Phosphoric Acid, 40% v/v, 500mL by AquaPhoenix

• Phosphoric Acid/UN 1805

Specifications

• Packaging Type: Poly
• Size: 500 mL
• Concentration: 40% v/v

PC4000-P Potassium Chloride, 4M, Saturated, 500mL by AquaPhoenix

• pH Electrode Fill

Specifications

• Packaging Type: Poly
• Size: 500 mL

PI7450-B Potassium Iodide, 50 %, 60mL by AquaPhoenix

• Purple cap

Specifications

• Size: 60 mL

94182 Collimation Eyepiece 1.25 in by Celestron

The Celestron Cheshire Collimation Eyepiece is ideal for precise collimation of Newtonians and helpful for aligning Schmidt-Cassegrains. This special eyepiece fits into 1¼" focusers or diagonals.

Alignment is easy using the small opening on one end and thin cross hairs at the other end. The collimation eyepiece is more accurate than the simple Collimation Tool.

BB4865-Q Bromophenol Blue Indicator Solution, 0.04% w/v, 1L by AquaPhoenix

• pH 3.0 (yellow) - 4.6 (blue)

Specifications

• Packaging Type: Poly
• Concentration: 0.04% w/v
• Size: 1.00 L
• pH Value: 3.0-4.6