{"product_id":"spectronic-spectrophotometer-standards-kit","title":"Spectronic Spectrophotometer Standards Kit","description":"\u003cp\u003e\u003cstrong\u003eThermo Scientific™ Spectronic™ Spectrophotometer Standards, 840-253100\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of 7 glass pieces mounted in metal frames sized to fit standard square cuvette holders\u003c\/li\u003e\n\u003cli\u003eUse to check performance and accuracy of your spectrophotometer in your own lab\u003c\/li\u003e\n\u003cli\u003eEasy to use as standard cuvette\u003c\/li\u003e\n\u003cli\u003eEach set is individually tested and certifed to be accurate, with values traceable to NIST or other primary standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSupplied with:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCalibrated neutral density glass standards at nominal values of 0.3, 0.5, 1.0, and 1.5 angstroms — standards are calibrated at 440.0 nm, 465.0 nm, 590.0 nm, and 635.0 nm\u003c\/li\u003e\n\u003cli\u003eOne calibrated standard for checking wavelength accuracy at nominal wavelenghts on 400 nm, 522 nm, and 777 nm— symmetry of peaks means that tests of wavelength accuracy are independent of spectral bandwidth (between 1 nm and 10 nm) of instrument being tested\u003c\/li\u003e\n\u003cli\u003eFilter for checking stray light in UV-Vis instruments at 220 nm \u003c\/li\u003e\n\u003cli\u003eFilter for checking stray light in Vis instruments at 400 nmFilters are supplied in tough plastic storage container\u003c\/li\u003e\n\u003cli\u003eRecalibration recommended every 2 years and can be provided by Thermo Scientific\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eStray light filters should block light completely at measurement wavelength and are therefore, not somethiing that can be calibrated\u003c\/li\u003e\u003c\/ul\u003e","brand":"Thermo Fisher Scientific","offers":[{"title":"EA (1)","offer_id":51110748881211,"sku":"21-8954-08-EA","price":1680.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/21-8954-08.png?v=1784700145","url":"https:\/\/preiser.com\/products\/spectronic-spectrophotometer-standards-kit","provider":"Preiser Scientific","version":"1.0","type":"link"}