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Durable and Practical: This magnetic stirrer is made of high-quality zinc alloy and magnet materials
the ray box features an open front and vertical internal grooves to accommodate a slit plate and a cylindrical lens
Portable and Convenient: Compact and lightweight
eliminating the need for additional uniforms and simplifying team division
this ray box is an essential tool for teaching and learning about optics and light behavior
Ammonia Solution 30% AR/ACS 500ML Durable and Practical: This magneticLaboratory Grade: This Ammonia Solution 30% AR ACS is of analytical reagent analytical chemistry standard, ensuring high purity and quality for laboratory use. Physical Properties: It is a clear colorless liquid with a pungent ammonia odor, soluble in water, and with a pH value of 11. 7 at 20C. Specifications: The solution has a purity of 28 30% (acidimetric, NH3), with maximum allowable levels of impurities such as carbon dioxide, chloride, heavy
US$ 26.00
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US$ 95.00
US$ 39.99
