X���`I�%&/m�{J�J��t��`$ؐ@������iG#)�*��eVe]f@�흼��{���{���;�N'���?\fdl��J�ɞ!���?~|? If actually was THF. 4 0 obj stream The extraction protocol used 10 molar ammonium fluoride ($\ce{NH4F}$). Uses advised against Food, drug, pesticide or biocidal product use. ��8�Q捿y�eѯA����<_;��������;@Ge��x��� �v�J4�������d�:��F������Fcա�6(���f���b~��i��73�F���˻៝�!�/�K3O�����:�*��i��M�F�ߙ���t������Í�N\��f ӡv���{�s�AЎ��a���8�8�U�m�j�E;�t����x�͒��S���a������� �yH���lN���=$\'F �ƍǀ^��Мw|��o�~��`���ؿ������Χ����b���w�z�u�0�%���}�}y�A�C�T��V�&��Za7:�Q�d�#� ��y���0:E�j���:*��y�P��dB��-ìC�2��6�h�Džu� ��G�6��d� {q�}�M�. My first question is, am I right that it is a bad idea to evaporate ammonium fluoride in glass equipment? << First-aid measures General Advice Show this safety data sheet to the doctor in attendance. Was TBAF incompatible with glass or was using it with glass OK? The mixture was stirred for 10 min, allowed to come to RT and the stirred for another 10 min. "R}~Q:~pgg'������"���l���/���������O�:OϽV�ޞ�~ @����������zo��7��g;)�Kߜӗ���;�����=�d�������'}z��8}����7w�7?���I�������u��w?ݾw��~�����i�����k���K�^��^'��d4k����˗;�g����_�u_�������L��OC6���($uiz["��Dڻw�#���/�����ݝ�"���;�]�B"t�y�Һ�����'��{{��D<��.�O3���¡@��M�����GĽ�������Ώ�(�{������}�~��h��킑�K�����|g�����ާ ���78n����e[�Ӭ-�����ݞ32���&�˺���m�"[��\�{�{���ŢZ�Ez^����}��`������R��G�\:��x�ӽ?z�(����ǯI��@:��,v��������!�?��=���zY-���������Q9��̟b7��}dtW�Ĕ���*�ci���4�v�Tekલ5A7t;�B$���6ķ��C8��Y��CŲ��wx�m�F�7c�X�ΟP��3vw� )�U�r��~�b��) ?�����̟Y�d���cT�v8:d��Fyl���"}�I? @CurtF. Ammonium Fluoride CAS No 12125-01-8 MATERIAL SAFETY DATA SHEET SDS/MSDS Precautionary statement(s) P280 Wear eye protection/ face protection. <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 16 0 R] /MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Why do I need to turn my crankshaft after installing a timing belt? /Producer(Sub Systems, Inc.)/CreationDate(D:20200218025315+05'00')/ModDate(D:20200218025315+05'00')/Creator(Sub Systems, Inc.) Imagining that a glass-free apparatus could be found, is there a way to do the evaporation safely? By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Revised on 06/15/2016 Page 1 of 6 Safety Data Sheet Ammonium Fluoride Crystals, ACS 1. I added the procedure from an old manuscript. XG7ÆpdÓ#”oQÿUÇgç“ş qnöÍw€¨†²p',#/Cʃ¤mcp¾¢#yNm‘J0™ªˆİâÕ]ˆCÉü8BĞThªáAıuçg/.€ú~îÍÒaY° cÍ›í ŞŞ}Ø3×g61uи¼«ó²#ØÍ\6î@Ëc. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. <> <>>> 1 0 obj շ�BEJGW�Gʣ��y� �aJ� ��[D�/��ߏ��_����5"g����L%��������n��e#���Ii�)-MX��,K�2�s"n&(�9d��j$.M�Y�� $6M���$V�D%O~5X"�%jU���YIJ9K"�7�+�$�%U5�*$�6D-ַ�]�8��W�R�H=�U���/��z���^��,���j��z����6>�D���'���X�ǫutO�=��z+��/��5���^�G. Why use "the" in "than the 3.5bn years ago"? Can hydrofluoric acid etch glass at a pH of 7.0? The relavent equilibrium constants at 25 degrees C and ionic strength of 1M are, $$\frac{[\ce{H+}][\ce{F-}]}{[\ce{HF}]} = 0.0013M $$, $$\frac{[\ce{HF}][\ce{F-}]}{[\ce{HF2-}]} = 0.104M $$. R��4�T2����0��mX����Q�æ��ف�轇�/Dv�Twf,�/$t�g��p�:��������:�m��0��(�e��F�1��8#D@�yq#�u0Pb�Wu�����=ɟ�qv�(�s��]=�u���Q�=�%��;�߫� pzE�}'5��0]�J�e���������OeL}`�B���;e�k�4�o6� e��eGn:ӹ9�����S=_�m"�����wiG�o site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. >> My second worry is that even if the equipment used did not contain any glass, dangerous solutions of hydrogen fluoride (i.e.
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