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Buffer standard solution with a precise pH of 4
providing clear color changes for visual detection
This complete apparatus has a 150mm adjustable mirror scale to prevent parallax error and is marked in millimeters and mounted on a sturdy 300mm rod
Educational Variety: From quartz and coal to gypsum and hematite
internal structure of the cerebrum
Global Model Buffer standard solution with aGlobal Model This model can be used as a visual aid in schools for Geology lessons. Premium Quality: This item is made of high quality, heavy duty and durable materials. Designed for use in geology classrooms, household and educational settings. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.
