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--- informacio_cua_rutina [2017/06/20 15:56]
miquel [Consulta de la cua de rutina]
+++ informacio_cua_rutina [2017/11/13 12:09] (current)
miquel [Altres fitxers d'interès]
@@ Line 113: / Line 113: @@
-===== Altres fitxers d'interès =====
+===== Altres fitxers i enllaços d'interès =====
   * {{:informacio_usuaris:sermn_recomanacions_compra_tubs.2008-02-14.pdf| Recomanacions per la compra de tubs de rmn.}}
   * {{:informacio_usuaris:sermn_especificacions_tubs.2005-10-10.pdf| Especificacions dels tubs de rmn.}}
+  * [[http://www.eurisotop.com/nmr_tubes_and_accessories | euriso-top - NMR Tubes and Accessories]]
+  * [[https://www.sigmaaldrich.com/labware/labware-products.html?TablePage=9579380 | NMR Tubes and Accessories]] Entry page for all nmr glassware at Sigma-Aldrich.
+    * [[https://www.sigmaaldrich.com/labware/labware-products.html?TablePage=109809773 | Economy NMR Tubes for Routine NMR]] Lists all nmr tubes suitable for routine analysis. The nmr frequency should be 200 MHz or higher.
+    * [[https://www.sigmaaldrich.com/labware/labware-products.html?TablePage=109809382 | High Resolution NMR Tubes]] Lists all high-grade nmr tubes suitable for high-resolution analysis. The nmr frequency should be equal or higher than the frequency of the spectrometer you intend to use.
+    * [[http://www.sigmaaldrich.com/catalog/substance/norellstandardseries5mmnmrtubes1234598765 | Sigma-Aldrich - Norell® Standard Series™ 5 mm NMR tubes]]
+<WRAP tip 100%>
+When comparing prices, take into account the number of tubes per package, for instance "5EA" in Z569216-5EA means that there are 5 tubes in the box, while "50EA" in NOR5027-50EA means that you are purchasing a box containing 50 tubes.
+</WRAP>
+<WRAP tip 100%>
+A recommendation about the tube length: always buy tubes 7- or 8-inches long, and never buy 9-inches tubes because they are way too long and it is too easy to break them when manipulating the tube. Also, it may be easier to recover the samples from within the shorter 7-inches than from 8-inches tubes.
+</WRAP>

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