{"product_id":"sample-holder-25-mm-x-25-mm","title":"Sample Holder 25 mm x 25 mm","description":"\u003cp\u003eThe sample holder (known also as flat specimen holder) is used for holding flat, circular or square\/rectangular samples. It enables contacting the sample from the front (\u003cem\u003ee.g.\u003c\/em\u003e ITO\/FTO glass, Monolayer Graphene on SiC, or Boron-Doped Diamond thin film on various substrates) and from the back (\u003cem\u003ee.g.\u003c\/em\u003e metal specimen, Glassy Carbon plate, Boron-Doped Diamond plate). The default nominal aperture is 1cm\u003csup\u003e2\u003c\/sup\u003e, but other value can be provided on request. The large electrical contact with Tantalum (formerly Copper) foil surface (not being in contact with an electrolyte) ensures optimal current collection by minimizing electrical resistance and unifying current distribution. The rod with electrical connection has a diameter of 6 mm, which makes the sample holder compatible with our voltammetry cells and jacketed cells, as long as it fits in. We may also provide an adapter to install this sample holder in openings larger than 6 mm dia.\u003cbr\u003eThe sample holder elements are constructed with materials that are inert to the electrochemical system (PEEK, Fluorocarbons). It well fits aqueous (FKM\/EPDM O-Rings) and organic solvent (FFKM O-Rings) electrolyte requirements. The construction is well sealed which prevents the electrolyte to leak inside.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication note\u003c\/strong\u003e\u003cbr\u003eThe sample holder is used largely for corrosion studies. It can be installed in a beaker type cell as well as in testing environments such as open water reservoirs, cans, tanks etc. It can also be used wherever it is necessary to make an electrode using a thin layer of an active material deposited on a flat substrate (conducting or insulating).\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Video Manual\u003cbr\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/EBaj3jNoFwQ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003enominal aperture range: 0.008 \u003cspan\u003ecm\u003c\/span\u003e\u003csup\u003e2 \u003c\/sup\u003e\u003cspan\u003e(1 mm dia.) \u003c\/span\u003e- 4.155 cm\u003csup\u003e2\u003c\/sup\u003e (23 mm dia.)\u003cbr\u003eminimum aperture: 0.008 cm\u003csup\u003e2\u003c\/sup\u003e (1 mm dia.)\u003cbr\u003emaximum aperture: 4.9 cm\u003csup\u003e2\u003c\/sup\u003e (23 mm dia.)\u003cbr\u003eelectrical connection diameter (rod): 6 mm\u003cbr\u003e\u003cspan\u003eminimum substrate size\u003c\/span\u003e:\u003c\/p\u003e\n\u003ctable style=\"width: 100%;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.3596%;\"\u003e\u003cstrong\u003e nominal aperture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 52.2967%;\"\u003e\u003cstrong\u003eminimum substrate size\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.3596%;\"\u003e0.008 \u003cspan\u003ecm\u003c\/span\u003e\u003csup\u003e2\u003c\/sup\u003e\u003cspan\u003e (1 mm dia.)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 52.2967%;\"\u003e\u003cspan\u003e10 x 10 mm\u003csup\u003e2\u003c\/sup\u003e (square) or 12 mm dia. (circular).\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.3596%;\"\u003e0.196 \u003cspan\u003ecm\u003c\/span\u003e\u003csup\u003e2\u003c\/sup\u003e\u003cspan\u003e (5 mm dia.)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 52.2967%;\"\u003e\u003cspan\u003e7 x 7 mm\u003csup\u003e2\u003c\/sup\u003e (square) or 10 mm dia. (circular).\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.3596%;\"\u003e0.283 \u003cspan\u003ecm\u003c\/span\u003e\u003csup\u003e2\u003c\/sup\u003e\u003cspan\u003e (6 mm dia.)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 52.2967%;\"\u003e\u003cspan\u003e8 x 8 mm\u003csup\u003e2\u003c\/sup\u003e (square) or 11 mm dia. (circular).\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.3596%;\"\u003e0.385 \u003cspan\u003ecm\u003c\/span\u003e\u003csup\u003e2\u003c\/sup\u003e\u003cspan\u003e (7 mm dia.)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 52.2967%;\"\u003e\n\u003cspan\u003e9 \u003c\/span\u003e\u003cspan\u003ex 9\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003emm\u003c\/span\u003e\u003csup\u003e2\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e(square) or 12 mm dia. (circular).\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.3596%;\"\u003e1 \u003cspan\u003ecm\u003c\/span\u003e\u003csup\u003e2\u003c\/sup\u003e\u003cspan\u003e (11.3 mm dia.)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 52.2967%;\"\u003e\u003cspan\u003e13 x 13 mm\u003csup\u003e2\u003c\/sup\u003e (square) or 16 mm dia. (circular).\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.3596%;\"\u003e\u003cspan\u003e1.76 cm\u003csup\u003e2\u003c\/sup\u003e (15 mm dia.)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 52.2967%;\"\u003e\u003cspan\u003e17 x 17 mm\u003csup\u003e2\u003c\/sup\u003e (square) or 20 mm dia. (circular).\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.3596%;\"\u003e3 \u003cspan\u003ecm\u003c\/span\u003e\u003csup\u003e2\u003c\/sup\u003e (19.5 mm dia.)\u003c\/td\u003e\n\u003ctd style=\"width: 52.2967%;\"\u003e\u003cspan\u003e22 x 22 mm\u003csup\u003e2\u003c\/sup\u003e (square) or 24 mm dia. (circular).\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.3596%;\"\u003e3.5 \u003cspan\u003ecm\u003c\/span\u003e\u003csup\u003e2\u003c\/sup\u003e\u003cspan\u003e (21 mm dia.)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 52.2967%;\"\u003e\n\u003cspan\u003e23 \u003c\/span\u003e\u003cspan\u003ex 23\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003emm\u003c\/span\u003e\u003csup\u003e2\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e(square) or 25 mm dia. (circular).\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.3596%;\"\u003e4.155 \u003cspan\u003ecm\u003c\/span\u003e\u003csup\u003e2\u003c\/sup\u003e\u003cspan\u003e (23 mm dia.)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 52.2967%;\"\u003e\n\u003cspan\u003e25 \u003c\/span\u003e\u003cspan\u003ex 25\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003emm\u003c\/span\u003e\u003csup\u003e2\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e(square only)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003emaximum substrate size: 25 x 25 mm\u003csup\u003e2\u003c\/sup\u003e\u003cbr\u003emaximum sample thickness: 4 mm\u003cbr\u003econtact type: front or back\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntrastat data\u003c\/strong\u003e\u003cbr\u003eHS Code: 90309000\u003cbr\u003eCountry of Origin: Sweden\u003cbr\u003eNET weight: 100 g\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct includes\u003c\/strong\u003e\u003cbr\u003e1 x chamber\u003cbr\u003e1 x lid\u003cbr\u003e1 x contact (Tantalum foil)\u003cbr\u003e1 x rod with electrical connection\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRelated products\u003cbr\u003e\u003c\/strong\u003eGlassy Carbon plate\u003cbr\u003eFTO\/ITO glass\u003cbr\u003eBoron-Doped Diamond plate\u003cbr\u003e\u003c\/p\u003e","brand":"redox.me","offers":[{"title":"water-based electrolyte \/ 1 cm2 - 11.3 mm dia. 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