Sodium hydroxide viscosity

However, care should be made to avoid incompatible materials and their proximity to NaOH storage containers. The rubber lining will be resistant to the corrosive effects of NaOH as long as it is natural rubber. These metals include aluminum, lead, tin, zinc, and the alloys of zinc such as brass and bronze. 0000013682 00000 n �9-gɊ�9�̙]�,�ٖ�[�UЮ�]UL��}�ʂ�Q��d��)��]JV�� �����\�jW����D�.u�.��a�n��v����ˡ����/��v}�$� � �� endstream endobj 320 0 obj [341 0 R] endobj 321 0 obj <> endobj 322 0 obj <> endobj 323 0 obj <> endobj 324 0 obj <> endobj 325 0 obj [/ICCBased 344 0 R] endobj 326 0 obj <> endobj 327 0 obj <>stream ����5�gËOv��T?�g�(**�} ��,5�A8q&h0d��-^�vH�F�F��J�1�e��&� l�����DF!r�T�d�9J�gkʆZ�4��ׅ�)O���K���'} 5g8��5�ЧrZ����'#Ʌ_�;`�)h��`�Y��Z �ж�Ya^��jd�Ǒ�xG������Syz\s6mL�ȳo8�W�G=)�o��Qt݇�����@����s��w�_O�ȐPw�����w��qy����?��}�8m�|�a�����ܝ&f^oЁ���4 Qw̴�Y��P)�kq6���o�. These recommendations are applicable should piping runs be exposed to ambient temperatures beneath 65°F (18°C), even if duration is limited.Sodium hydroxide tank systems should be designed and operate at atmospheric pressure.

�����t}�|�/�R;3�#���F�-��d����,">$q��q���Ԟ_�]��-�@���i�k�ת�����s��==[���O���(�l�"���� H�\��j�0�ὯB�vQlI��B���b~�t. 0000155279 00000 n Components comprised of nickel-based alloys are recommended for the most extreme elevated temperature scenarios. S. L. Clegg and A. S. Wexler . • The freezing point and viscosity of Sodium Hydroxide vary with concentration. ∆ Freezing point depression in °C relative to pure water. 0000008763 00000 n The chemical nature of NaOH allows it to be reactive and/or incompatible with metals, oxidizers, some nitrogen-containing compounds, and a variety of other chemicals (Saponification is the base-driven hydrolysis of animal fat/vegetable oil triglycerides to yield a fatty acid salt called a soap, which in the example is sodium palmitate. Journal of Chemical & Engineering Data 2017, 62 (9) , 2959-2972. 24% sodium hydroxide 7,1 cP 50% sodium hydroxide 78 cP Olive oil 800-1000 cP Examples of viscosity at 20°C Dynamic viscosity depending on NaOH concentration {NaOH} (%w/w) Dynamic viscosity (cP - centipoise) 20 30 0 10 10 20 30 40 50 60 40 50 60 70 80 90 Figure 2 : Evolution of the viscosity of a sodium hydroxide

At the cathode, water is reduced, gaining electrons and forming hydrogen gas and hydroxide ions. For the best experience, you should H 2 O crystallizes from water solutions between 12.3 and 61.8 °C. Always communicate exact product needs and specifications to ensure storage tanks are capable of successfully storing the concentration of sodium hydroxide. Flexible connections and fittings will reduce vibration stress on fittings, gaskets, and the tank due to pumps and associated piping.Sodium hydroxide solutions can freeze at temperatures beneath 60°F (15.5°C), depending upon NaOH concentration, which can cause release and buildup of solid NaOH. Schedule 80 PVC or CPVC fittings, EPDM gaskets, and stainless steel bolts are recommended sodium hydroxide storage tank component materials.Polypropylene tanks with polyurethane foam insulation and mastic coatings are The double-walled variants of HDPE and XLPE are more expensive than their single-walled counterparts, but the additional cost is made up for in the additional security of having a built-in secondary containment unit should a breach of the primary holding tank occur. 0000002583 00000 n Your browser is not supported. To store NaOH in FRP tanks, synthetic Titanium is a metal largely resistant to sodium hydroxide’s corrosive activities. ����G�m�c�V9���>l 4��@���M��G-pmZ��vXⓟ����2���{��>0 �)5 endstream endobj 329 0 obj <>stream 0000016284 00000 n Product identifier Product name Sodium Hydroxide Solution 50% Chemical name (NaOH) Sodium Hydroxide Solution (10 – 60%) CAS number 1310-73-2 EU index number 011-002-00-6 EC number 215-185-5 1.2. This reaction depicts the reason NaOH is used in soap production. Call 0000001116 00000 n h�bbd``b`f3�S=�[$Xm��_!⦁X b �����*@�+Hh�N001���q�E�0 ��% Density differs from specific gravity in that specific gravity is the chemical density divided by the density of a reference material, (usually water) to provide a comparitive and unitless value.

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