United Scientific DFG300 Diffraction Gratings for SPECT02 Intermediate Spectrometer sold2026 Pacific Giftware Avocado Ceramic Salt

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United Scientific DFG300 Diffraction Gratings for SPECT02 Intermediate Spectrometer sold2026 Pacific Giftware Avocado Ceramic SaltUnited Scientific DFG300 Diffraction Gratings for SPECT02 Intermediate Spectrometer The United Scientific DFG300 diffraction grating has 300 lines per millimeter, measures 45mm x 60mm (H x W), and is protected by glass plates. This replacement diffraction grating with 300 lines per millimeter splits light into multiple beams for analysis in light and optics experiments. The grating measures 45mm x 60mm (H x W) and has a viewing area of 30mm x 45mm (H