{"product_id":"coaxial-nmr-tubes","title":"Coaxial NMR tubes","description":"\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"background: #002147; padding: 10px 20px; margin-bottom: 0;\"\u003e\u003ch3 style=\"margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 0.70em; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: #fff;\"\u003eWhat this tube is for\u003c\/h3\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px 20px; border: 1px solid #e4e8f0; border-top: none; font-family: Georgia, 'Times New Roman', serif; font-size: 0.95em; line-height: 1.65; color: #333;\"\u003e\n\u003cp\u003eA coaxial NMR tube holds two liquids in one tube without mixing them: a narrow inner tube sits in the centre of a 5 mm outer tube. Deutero makes it in two designs, both in Boro 3.3 borosilicate glass (ASTM type 1 class A).\u003c\/p\u003e\n\u003cp\u003eTypical uses: a reference compound or a lock solvent goes in the inner tube and the sample in the outer tube. So nothing is added to the sample, and the sample can stay in its own solvent. Both liquids are measured together in one spectrum.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"background: #002147; padding: 10px 20px; margin-bottom: 0;\"\u003e\u003ch3 style=\"margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 0.70em; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: #fff;\"\u003eYour choices\u003c\/h3\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px 20px; border: 1px solid #e4e8f0; border-top: none; font-family: Georgia, 'Times New Roman', serif; font-size: 0.95em; line-height: 1.65; color: #333;\"\u003e\n\u003cp\u003e\u003cstrong\u003eDesign: one-piece or two-part.\u003c\/strong\u003e In the one-piece tube (\u003cspan style=\"white-space: nowrap;\"\u003ecomplete-5-3-7\u003c\/span\u003e), a 3 mm inner tube is fused to the bottom of the 5 mm outer tube, so the two are always centred; the inner tube cannot be taken out. The two-part tube is a separate insert and a matching 5 mm outer tube: the insert is 4 mm wide at the top, fits exactly into the outer tube, and narrows to 2 mm towards the measuring region. You can take the insert out and clean the two parts separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpectrometer, for the two-part tube: Bruker or Varian.\u003c\/strong\u003e The narrow lower part of the insert has a different length for Bruker and for Varian spectrometers. Choose \u003cspan style=\"white-space: nowrap;\"\u003ecoaxialb-5-7\u003c\/span\u003e for Bruker and \u003cspan style=\"white-space: nowrap;\"\u003ecoaxialv-5-7\u003c\/span\u003e for Varian (also Agilent) instruments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOuter tube only.\u003c\/strong\u003e \u003cspan style=\"white-space: nowrap;\"\u003ecoaxial-5-7-ot\u003c\/span\u003e is the 5 mm outer tube of the two-part design on its own, for example to replace a broken one.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePack.\u003c\/strong\u003e Packs of 5.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe most common choice is \u003cspan style=\"white-space: nowrap;\"\u003ecoaxialb-5-7\u003c\/span\u003e:\u003c\/strong\u003e the two-part tube for Bruker spectrometers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"background: #002147; padding: 10px 20px; margin-bottom: 0;\"\u003e\u003ch3 style=\"margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 0.70em; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: #fff;\"\u003eTechnical specifications\u003c\/h3\u003e\u003c\/div\u003e\n\u003ctable style=\"width: 100%; table-layout: auto; border-collapse: collapse; font-size: 0.95em; border: 1px solid #e4e8f0; border-top: none; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"padding: 9px 8px; text-align: left; font-weight: 600; color: #002147; background: #f7f8fb; border-bottom: 1px solid #e4e8f0;\"\u003eItem no.\u003c\/th\u003e\n\u003cth style=\"padding: 9px 8px; text-align: left; font-weight: 600; color: #002147; background: #f7f8fb; border-bottom: 1px solid #e4e8f0;\"\u003eDesign\u003c\/th\u003e\n\u003cth style=\"padding: 9px 8px; text-align: left; font-weight: 600; color: #002147; background: #f7f8fb; border-bottom: 1px solid #e4e8f0;\"\u003eConcen­tricity \/ camber (µm)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 8px; border-bottom: 1px solid #e4e8f0; color: #002147; font-weight: 600;\"\u003e\u003cspan style=\"white-space: nowrap;\"\u003ecomplete-5-3-7\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 8px; border-bottom: 1px solid #e4e8f0; color: #333;\"\u003eone-piece, 3 mm inner tube fused in\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 8px; border-bottom: 1px solid #e4e8f0; color: #333;\"\u003e5 \/ 13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #eef5fb;\"\u003e\n\u003ctd style=\"padding: 9px 8px; border-bottom: 1px solid #e4e8f0; color: #002147; font-weight: 600;\"\u003e\u003cspan style=\"white-space: nowrap;\"\u003ecoaxialb-5-7\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 8px; border-bottom: 1px solid #e4e8f0; color: #333;\"\u003etwo-part, Bruker\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 8px; border-bottom: 1px solid #e4e8f0; color: #333;\"\u003e7 \/ 25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 8px; border-bottom: 1px solid #e4e8f0; color: #002147; font-weight: 600;\"\u003e\u003cspan style=\"white-space: nowrap;\"\u003ecoaxialv-5-7\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 8px; border-bottom: 1px solid #e4e8f0; color: #333;\"\u003etwo-part, Varian\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 8px; border-bottom: 1px solid #e4e8f0; color: #333;\"\u003e7 \/ 25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 8px; border-bottom: 1px solid #e4e8f0; color: #002147; font-weight: 600;\"\u003e\u003cspan style=\"white-space: nowrap;\"\u003ecoaxial-5-7-ot\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 8px; border-bottom: 1px solid #e4e8f0; color: #333;\"\u003eouter tube only\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 8px; border-bottom: 1px solid #e4e8f0; color: #333;\"\u003e7 \/ 25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"padding: 12px 20px; border: 1px solid #e4e8f0; border-top: none; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 0.9em; color: #333;\"\u003eOuter tubes: outer diameter 4.950 ± 0.020 mm, 7 in (178 mm). Insert of the two-part tube: outer diameter 3.950 ± 0.020 mm at the top, narrowing to 2 mm, 8 in (203 mm). Inner tube of complete-5-3-7: 3 mm, 8 in. All: Boro 3.3 glass, ASTM type 1 class A, wall 0.38 mm. Packs of 5. Every Deutero tube is tested on Deutero’s in-house 500 MHz NMR spectrometer.\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"background: #002147; padding: 10px 20px; margin-bottom: 0;\"\u003e\u003ch3 style=\"margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 0.70em; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: #fff;\"\u003eManufacturer\u003c\/h3\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: 14px 20px; border: 1px solid #e4e8f0; border-top: none; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 0.95em; color: #333; display: flex; align-items: center; gap: 18px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0954\/6357\/1793\/files\/deutero-logo.png?v=1793286803\" alt=\"Deutero GmbH, NMR Spectroscopy\" width=\"120\" height=\"49\" style=\"width: 120px; height: auto; flex: 0 0 auto;\"\u003e\u003cdiv\u003eMade by Deutero GmbH, Kastellaun, Germany. NorrChemica is an authorised distributor of Deutero GmbH.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"margin-bottom: 28px; background: #eef5fb; border-left: 4px solid #2392c4; padding: 16px 20px; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;\"\u003e\n\u003cdiv style=\"font-size: 0.70em; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: #002147; margin-bottom: 6px;\"\u003eNo spectrometer?\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333; line-height: 1.5;\"\u003eSend us the sample and we run the NMR: ¹H, ¹³C, ¹⁹F, ³¹P and ¹¹B.\u003c\/div\u003e\n\u003ca href=\"\/pages\/nmr-service\" style=\"display: inline-block; margin-top: 10px; background: #002147; color: #fff; text-decoration: none; font-weight: 700; font-size: 0.9em; padding: 8px 16px; border-radius: 4px;\"\u003eSee the NMR analysis service →\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Deutero","offers":[{"title":"coaxialb-5-7 · two-part, Bruker · pack of 5 · most common","offer_id":55661051052369,"sku":"coaxialb-5-7","price":427.97,"currency_code":"EUR","in_stock":true},{"title":"complete-5-3-7 · one-piece, 3 mm inner tube · pack of 5","offer_id":55661051019601,"sku":"complete-5-3-7","price":394.42,"currency_code":"EUR","in_stock":true},{"title":"coaxialv-5-7 · two-part, Varian · pack of 5","offer_id":55661051085137,"sku":"coaxialv-5-7","price":427.97,"currency_code":"EUR","in_stock":true},{"title":"coaxial-5-7-ot · outer tube only · pack of 5","offer_id":55661051117905,"sku":"coaxial-5-7-ot","price":34.56,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/6357\/1793\/files\/coaxial-nmr-tubes-drawing.png?v=1793848843","url":"https:\/\/www.norrchemica.com\/products\/coaxial-nmr-tubes","provider":"NorrChemica","version":"1.0","type":"link"}