(Ph. Eur. 11.6 update)<\/p>\n
Light Liquid Paraffin Eye Drops are Light Liquid Paraffin in a suitable container.<\/p>\n
The eye drops comply with the requirements stated under Eye Preparations and with the following requirements.<\/p>\n
Acidity or alkalinity<\/strong><\/p>\n To 10 mL add 20 mL of boiling water and shake vigorously for 1 minute. Separate the aqueous layer and filter. To 10 mL of the filtrate, add 0.1 mL of phenolphthalein solution. The solution is colourless. Not more than 0.1 mL of 0.1M sodium hydroxide VS is required to change the colour to pink.<\/p>\n Relative density<\/span><\/p>\n 0.810 to 0.875, Appendix V G.<\/p>\n Viscosity<\/span><\/p>\n 25 mPa\u00b7s to 80 mPa\u00b7s, Appendix V H, Method II.<\/p>\n Solid paraffins<\/strong><\/p>\n Dry a suitable quantity of the eye drops by heating at 100\u00b0 for 2 hours and cool in a desiccator over sulfuric acid. Place in a glass tube with an internal diameter of about 25 mm, close the tube and immerse in a bath of iced water. After 4 hours, the liquid is sufficiently clear for a black line, 0.5 mm wide, to be easily seen against a white background held vertically behind the tube.<\/p>\n Light Liquid Paraffin Eye Drops should be protected from light.<\/p>\n","protected":false},"excerpt":{"rendered":" (Ph. Eur. 11.6 update) DEFINITION Light Liquid Paraffin Eye Drops are Light Liquid Paraffin in a suitable container. The eye drops comply with the requirements stated under Eye Preparations and with the following requirements. TESTS Acidity or alkalinity To 10 mL add 20 mL of boiling water and shake vigorously for 1 minute. Separate the…<\/p>\n","protected":false},"author":4,"featured_media":21069,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[175],"tags":[],"class_list":["post-21068","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-formulated-preparations-specific-monographs"],"acf":[],"_links":{"self":[{"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/posts\/21068","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/comments?post=21068"}],"version-history":[{"count":3,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/posts\/21068\/revisions"}],"predecessor-version":[{"id":23288,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/posts\/21068\/revisions\/23288"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/media\/21069"}],"wp:attachment":[{"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/media?parent=21068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/categories?post=21068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/tags?post=21068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}STORAGE<\/h2>\n