{"product_id":"2940157823689","title":"How to Use a Spectrophotometer","description":"The Neuhaus Science Projects Guide, How to Use a Spectrophotometer, is written for the average high school student in grades 9 through 12. \u003cbr\u003e\u003cbr\u003eThis guide booklet is written to help students succeed with science projects that require the use of a spectrophotometer. It provides details on the use of the equipment without going into the technical details behind the operations. Preparation of solutions, setups, and procedures necessary to obtain the data needed are detailed. Colored images, graphs, and other illustrations augment the text.\u003cbr\u003e\u003cbr\u003eTopics discussed:\u003cbr\u003e\u003cbr\u003eHow to Use a Spectrophotometer:--\u003cbr\u003e\u003cbr\u003eHow Much Is in It? • Light and Color • The Choice of Instrument • Old and New Models • The Guts of a Spectrophotometer • How the System Works – Guts and All • Transmittance • The Analytical Wavelength • How to Find the Analytical Wavelength of a Substance • Generic Operating Instructions • The Importance of the Blank • Plastic Versus Glass • Matching Cuvettes • Sample Concentration.\u003cbr\u003e\u003cbr\u003eQuantitative Analysis:--\u003cbr\u003e\u003cbr\u003eUnderstanding the Standard Curve • Preparation of Solutions • The Setup • Procedure • Graphing the Standard Curve • How to Use the Standard Curve. \u003cbr\u003e\u003cbr\u003eProtein Analysis:--\u003cbr\u003e\u003cbr\u003ePreparation of Solutions • The Setup • Procedure • Testing an Unknown Protein Sample • Cleaning Up • Other Methods of Protein Assay.\u003cbr\u003e\u003cbr\u003eThe Filter Colorimeter\u003cbr\u003e\u003cbr\u003eReferences","brand":"Gormley Publishing","offers":[{"title":"Default Title","offer_id":47176781660400,"sku":"2940157823689","price":3.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940157823689_p0.jpg?v=1764102621","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940157823689","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}