Update nmr.mdx

docs/repo/details_standards/analysis_test/nmr.mdx

@@ -164,8 +164,14 @@ Differences are:
 
 ## <sup>31</sup>P NMR spectroscopy data
 
-If the compound contains phosphorus, the analysis set should contain <sup>31</sup>P NMR data. If the compound contains Fluorine atoms, the analysis set should contain <sup>19</sup>F NMR data. <sup>31</sup>P NMR data should be given with the same information and formatting as described in the data and metadatasection of <sup>1</sup>H NMR data. 
+If the compound contains phosphorus, the analysis set should contain <sup>31</sup>P NMR data. <sup>31</sup>P NMR data should be given with the same information and formatting as described in the data and metadatasection of <sup>1</sup>H NMR data. 
 Differences are: 
 - Signals should be reported to the nearest 0.1 ppm.
 
+## <sup>11</sup>B NMR spectroscopy data
+
+If the compound contains boron, the analysis set should contain <sup>11</sup>B NMR data. <sup>11</sup>B NMR data should be given with the same information and formatting as described in the data and metadatasection of <sup>1</sup>H NMR data. 
+Differences are: 
+- Signals should be reported to the nearest 0.1 ppm.
+- Take care: borsilicate glass used for NMR tubes give a broad signal in <sup>11</sup>B NMR data.