In some cases, the nature of the item means that it is non-returnable, for example, due to hygiene/health and personal care/wellness/consumable nature of the product. Office Products and Wireless Returns Policy New electronic items fulfilled by Amazon AU can be returned for change of mind, for a replacement or a full refund of the purchase cost of the item within 30 days of receipt of delivery.For information about returning faulty electronics please see Returning Faulty Items. Please see our Amazon Global Store Returns policy and Refunds policy for more information about returning Amazon Global Store items.Ĭamera, Electronics and PC Returns Policy 51 2059 (4.12/Foot) FREE delivery Fri, May 26 on 25 of items shipped by Amazon Or fastest delivery Mon, May 22 Small Business Diffraction Grating Sheet - 13,500 Lines/inch - Great Prism/Sun Catcher Film Material - 6' x 12' 369 1299 (25. Please see About Marketplace Returns & Refunds for details on Seller returns policies. To return faulty items see our Returning Faulty Items policy.įor items ordered on from a seller that fulfils and ships its own inventory (also called a third party seller), any returns will be in accordance with the returns policy set by that seller (not the Amazon AU returns policies). This change of mind return policy is in addition to, and does not affect your rights under the Australian Consumer Law including any rights you may have in respect of faulty items. Unless otherwise stated, original shipping fees for change of mind returns are not refunded. Gratings contain a microscopic and periodic groove structure - which splits incident light into multiple beam paths through diffraction, causing light of different wavelengths to propagate in different directions. Please Contact Us and see About Items That Can’t Be Returned. In some circumstances, these items may be eligible for a refund or a replacement (for example, if you receive the wrong item due to an Amazon AU error or if the item is faulty). With spectrum tubes, your lesson plan on elements is guaranteed to be remembered, and you can keep them fully charged with our specially designed Spectrum Tube Power Supply.You can return most new, unopened items fulfilled by Amazon AU within 30 days of receipt of delivery for a replacement or full refund of the price you paid for the item if you change your mind - see About Replacements and About Refunds. ![]() Other outfitters might only offer one or two types of spectrum tubes, but we’ve designed six different styles: Mercury Vapor, Argon Gas, Helium Gas, Nitrogen Gas, Neon Gas, and Hydrogen Gas. These truly awesome tubes turn the smallest molecules into a tremendously large spectacle thanks to an electric field applied between the electrodes at each end. Our diffraction grating glasses are even more illuminating when used in conjunction with our spectrum tubes. Students can wear the diffraction grating glasses or teachers can project the spectrum using an overhead projector or 35mm slide projector for spectrum demonstration purposes, or use in conjunction with colored film gels for additive and subtractive color demonstrations. Our gratings are the principal component in a spectroscope and are used for experiments pertaining to the study of light and color. The quality of the spectrum produced from our gratings is the sharpest possible with a minimum of distracting visual noise. It is a single axis sheet and will diffract the light accordingly. This listing is for one sheet of diffraction grating film that is 6 x 12 and has 1,000 Lines/mm. We’re proud to offer Diffraction Grating Glasses in a wide array of styles and linear gratings ranging from, 13,500 lines per inch, linear 500 lines per millimeter, and linear 1000 lines per millimeter. Learn More Groove Density (grooves/mm): 1000 Groove Density (grooves/inch): 25400 Wavelength Range (nm): 400 - 700 Dimensions (mm): 152.40 x 304.80 Dimensions (inches): 6 x 12 Construction: Holographic Grating Dispersion Angle (): 36 Length (mm): 304. 1,000 lines/mm Diffraction Grating Sheet Single Axis Linear 1' x 6' Sheet. ![]() ![]() Diffraction Grating Glasses & Spectrum Tubes A Pair Of Glasses To Fit Any Need
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