Any use, including reproduction requires our written permission. Cool, and transfer the solution to a conical separator with the aid of 20 mL of water. 0000009292 00000 n potassium hydroxide eluent was used for the separation of phosphate and citrate in different pharmaceutical formulations to increase method automation and allow easy method transfer between laboratories. Great things happen when the world agrees. 0000006198 00000 n 0000007629 00000 n "˥$%���_d���.���%�&.�M=ф7�Tgc��`M\��0��B�����RS�/5h[��U�1K\�����t_e6�+�J�F@!�d�v���>ͳ��xy��U+u�5]�-K��gz:mϹ�������*�qC�s`�(��U!7E�-���iq�LXK�gX�ܟ����F>�t�>��/����˦�8�� 1.1.2 Caustic potash (potassium hydroxide), 45 % liquor; anhydrous (solid, flake, ground, or powdered). Eur. 0000009270 00000 n 0000008709 00000 n 0000001271 00000 n �����o�ɂm#�]�? H���Ao�0���輻�WZJɌ "�8�i. 0000054386 00000 n This monograph for Potassium Hydroxide provides, in addition to common physical constants, a general description including typical appearance, applications, change in state (approximate), and aqueous solubility. 0000008125 00000 n 1.2 The analytical procedures appear in the following order: Alkalinity (Total), Titrimetric (for 50 to 100 % We are committed to ensuring that our website is accessible to everyone. 0000008687 00000 n 0000007116 00000 n 326 0 obj << /Linearized 1 /O 329 /H [ 1763 304 ] /L 105606 /E 69830 /N 2 /T 98967 >> endobj xref 326 46 0000000016 00000 n trailer << /Size 372 /Info 323 0 R /Root 327 0 R /Prev 98956 /ID[<7977fcabff207abdf831858d7a4e8d53>] >> startxref 0 %%EOF 327 0 obj << /Type /Catalog /Pages 325 0 R /Metadata 324 0 R /Outlines 4 0 R /OpenAction [ 329 0 R /XYZ null null null ] /PageMode /UseNone /PageLabels 322 0 R /StructTreeRoot 328 0 R /PieceInfo << /MarkedPDF << /LastModified (D:20020627030746)>> >> /LastModified (D:20020627030746) /MarkInfo << /Marked true /LetterspaceFlags 0 >> >> endobj 328 0 obj << /Type /StructTreeRoot /ClassMap 24 0 R /RoleMap 26 0 R /K 159 0 R /ParentTree 308 0 R /ParentTreeNextKey 5 >> endobj 370 0 obj << /S 48 /O 155 /L 171 /C 187 /Filter /FlateDecode /Length 371 0 R >> stream �hD�hB"BJv��K�X"��:G�Ryi���Gq͑�9���b(!؇t��w��D������-q͐���M�B���w����YAl��`��� ,�_��E�l����K�ˢ�SS� F^P;�+w�]����dU�Q��d��?�n��z^ 0000003717 00000 n 0000031768 00000 n 0000002045 00000 n 0000009921 00000 n Any use, including reproduction requires our written permission. The kits contain the full assay method plus: Bottle 1: Thermostable α-amylase (10 mL, 3,000 U/mL on Ceralpha reagent* at pH 6.5 and 40°C or 1600 ... Potassium hydroxide solution (2 M). Dissolve 10.00 g of the ... (n2 mL of 0.5 M alcoholic potassium hydroxide). 2.5.1 Acid value The acid value IA is the number that expresses, in milligrams the quantity of potassium hydroxide required to neutralise the free acids present in 1 g of the substance. 0000006926 00000 n Ion Chromatographic Method (added) 0.01% Phosphoric Acid TS (new), 5758 ADDITIONAL REQUIREMENTS (added) 10M Potassium Hydroxide TS (new), 5758 Physical Tests and Determinations 0.5 M Sodium Chloride TS (new), 5759 %PDF-1.3 %���� There are three ways: a) total alkalinity, b) caustic alkalinity corresponding to the total alkalinity less the alkalinity due to carbonates and c) actual potassium hydroxide corresponding to the total alkalinity less the alkalinity due to carbonates and any hydroxide which may be present. 0000006176 00000 n 0000007607 00000 n Calculation of the three amounts a), b), and c). There are three ways: a) total alkalinity, b) caustic alkalinity corresponding to the total alkalinity less the alkalinity due to carbonates and c) actual potassium hydroxide corresponding to the total alkalinity less the alkalinity due to carbonates and any hydroxide which may be present. © All Rights Reserved All ISO publications and materials are protected by copyright and are subject to the user’s acceptance of ISO’s conditions of copyright. 0000001625 00000 n The assay was evaluated in terms of linearity, limit of quantitation, specificity, precision, accuracy, and ruggedness. All copyright requests should be addressed to copyright@iso.org. H���]k�0�� ��f����;�B�d,ۚ�Ee�.D�,Y�zX*��~R�nD)_����y��jtgg��z6J���rRW��C��YUa�9�%��%U`�@RI����BJ��Q fW �5���[ػ��u���UMM5����@Z���Gi��JQ) 0000002542 00000 n ASSAY—HPLC and UHPLC (isocratic method) Buffer: Dissolve 7.2 g of monobasic potassium phosphate in 1,000 mL of water. 0000043680 00000 n Opening hours: - Replaces ISO Recommendation R 990-1969. 0000005747 00000 n H���]k�0���+r�.�tZ�at��߯�!4�E���I��Gt��c'ƓX����M�d$���X��9���[�. Assay procedure using 0.1N potassium hydroxide Aliquots of asenapine prepared by dissolving different amounts of drug(10-100mg) in 20 ml of methanol was previously neutralized with 0.1N potassium hydroxide ) aliquots were titrated using previously standardized 0.1N potassium hydroxide using [Note: May be used as an aqueous solution.] 1.1 This test method covers the determination of anionic impurities in 50 % caustic soda (sodium hydroxide) and 50 % caustic potash (potassium hydroxide) solutions using ion chromatography (IC). 4) Passes test PURITY Water insoluble substances A 1 in 20 solution of the sample is complete, clear, and colourless Carbonate Not more than 3.5% (as potassium carbonate) Each ml of 1 N sulfuric acid required between the phenolphthalein and methyl orange endpoints in the "METHOD OF ASSAY" is equivalent to 138.2 mg of K 0000004861 00000 n 0000004306 00000 n 0000002067 00000 n �H� endstream endobj 344 0 obj 349 endobj 345 0 obj << /Filter /FlateDecode /Length 344 0 R >> stream 0000002495 00000 n 0000002699 00000 n 0000001763 00000 n 0000005725 00000 n 0000003758 00000 n All copyright requests should be addressed to. 0000006711 00000 n 0000054179 00000 n Abstract. In this weakened state, the hair is more easily cut by a razor blade. Add 112.2 g KOH to 900 mL of deionised water and dissolve by stirring. Potassium hydroxide is used to identify some species of fungi. Cool the solution to 15, add phenolphthalein TS, and titrate with 1 N sulfuric acid VS. At the discharge of the pink color of the indicator, record the volume of acid solution required, then add methyl orange TS, and continue the titration to a persistent pink color. Preshave products and some shave creams contain potassium hydroxide to force open the hair cuticle and to act as a hygroscopic agent to attract and force water into the hair shaft, causing further damage to the hair. 0000003231 00000 n H���]o�0��������|Z�*��n���-�`�]a�j�~6�c�`�����y_��ؚ�ݝ��0��?D�a�)�B��~@�A@�a-�6o��mU�ojQ@-���S�aeٳq�ƘAV�Q�^�؈-�Q� >��R�A�3F�Y6N��>/����4����2&�1����]r�۩�N�`d��iU[E|VlG^�� |�&j��t �#��J�7�>"�V�]z�C��ؿ��������Uah6e�X���!o��p ����$|�jD����~l�ܨ�D I�H�u�uoeB^�a�N-i�� �����[���>G��1��K�팮L1o�l1y-y�:K�y!�E�z�*%��EȋIW��F�P�}Zb\�8�BY5�;��D����5��e���w�_��S5 �{�ԓ�;�ko^2pd��p����E�3ڑ�gG�[b�Lf�2N�~���t������*��A6*�}��rss��Ⰳ��u�7�#L�� 0000003010 00000 n Sign up to our newsletter for the latest news, views and product information. Standard Test Methods for Chemical Analysis of Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide) 1. Method for determination of the titre, conventionally expressed as percentages by mass of KOH. W�?��N���R�J��7�A�����a��y�bx+o�.�C�,�y}�؝ ���V׮�U�~{����3-���i����qʀT�Nƿ�9E�wG�v^g���v1]�Xş�/��b�Y�#� 4�� endstream endobj 348 0 obj << /Type /FontDescriptor /Ascent 891 /CapHeight 0 /Descent -216 /Flags 34 /FontBBox [ -568 -307 2028 1007 ] /FontName /BHHJIB+TimesNewRoman /ItalicAngle 0 /StemV 0 /FontFile2 366 0 R >> endobj 349 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 32 /Widths [ 250 ] /Encoding /WinAnsiEncoding /BaseFont /BHHJIB+TimesNewRoman /FontDescriptor 348 0 R >> endobj 350 0 obj 389 endobj 351 0 obj << /Filter /FlateDecode /Length 350 0 R >> stream Test for potassium (Vol. 0000007138 00000 n Busque trabalhos relacionados com Potassium hydroxide assay method ou contrate no maior mercado de freelancers do mundo com mais de 18 de trabalhos. Add 1.5 mL of phosphoric acid, and further adjust with phosphoric acid or potassium hydroxide solution to a pH of 2.5 ± 0.1. Adjust volume to 1 litre. Caustic potash, Lye [Potassium hydroxide], Potassium hydrate Odorless, white or slightly yellow lumps, rods, flakes, sticks, or pellets. 0000005107 00000 n 0000003261 00000 n The principle consists in titration of the total alkalinity with standard volumetric hydrochloric acid solution in the presence of methyl orange as indicator. International Standard under periodical review, All ISO publications and materials are protected by copyright and are subject to the user’s acceptance of ISO’s conditions of copyright. É grátis para se registrar e ofertar em trabalhos. 0000054100 00000 n 0000008147 00000 n 0000004645 00000 n ACID VALUE The acid value IA is the number that expresses, in milligrams the quantity of potassium hydroxide required to neutralise the free acids present in 1 g of the substance. 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