{"id":107079,"date":"2026-05-02T04:01:47","date_gmt":"2026-05-02T04:01:47","guid":{"rendered":"https:\/\/hospitalsupplies.co.za\/?post_type=product&#038;p=107079"},"modified":"2026-05-02T04:02:13","modified_gmt":"2026-05-02T04:02:13","slug":"litmus-paper","status":"publish","type":"product","link":"https:\/\/hospitalsupplies.co.za\/?product=litmus-paper","title":{"rendered":"Litmus Paper"},"content":{"rendered":"<p>Litmus paper is paper that has been treated with a specific indicator\ufffd\ufffd\ufffda mixture of 10-15 natural dyes obtained from lichens (mainly Roccella tinctoria) that turns red in response to acidic conditions (pH 7).<\/p>\n<ul>\n<li>Litmus paper is a tool used to test whether a substance is an acid or base. When a substance is dissolved in water, the resulting solution causes the litmus paper to change colour. <\/li>\n<li>The acidity or alkalinity of a solution is determined by the concentration of hydrogen ions, or power of hydrogen, expressed as a pH value.<\/li>\n<li>A litmus test provides a quick result but cannot determine the level of acidity or alkalinity of a solution.<\/li>\n<\/ul>\n<p>Performing Litmus Test<\/p>\n<ul>\n<li>It gives the user a general indication of acidity or alkalinity as it correlates to the shade of red or blue that the paper turns.<\/li>\n<li>To test the pH of a substance, dip a strip of litmus paper into the solution or use a dropper or pipette to drip a small amount of a solution onto the litmus paper. <\/li>\n<li>Blue paper can indicate an acid with a pH between 4 and 5 or lower. Red paper can show a base with a pH greater than 8. If a solution has a pH between 5 and 8, it will show little color change on the paper.<\/li>\n<li>A base tested with blue paper will not show any color change, nor will an acid tested with red paper register a change in color<\/li>\n<\/ul>\n<p>Limitations <\/p>\n<ul>\n<li>Using a litmus test is a quick and easy way to determine if a solution is acidic or alkaline. <\/li>\n<li>Litmus paper is inexpensive, portable and can test acidity and alkalinity using only with a small volume of a solution. <\/li>\n<li>However, it can\ufffd\ufffd\ufffdt provide the actual pH for a substance, other than indicating if the pH is roughly less than 5 or greater than 8. <\/li>\n<li>Litmus paper is not useful for testing substances with a pH that is closer to neutral.<\/li>\n<\/ul>\n<p>Add to Wishlist<\/p>\n<p> Add to Wishlist<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Litmus Paper<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"content-type":""},"product_brand":[],"product_cat":[23787],"product_tag":[24599],"class_list":["post-107079","product","type-product","status-publish","product_cat-labware-consumables","product_tag-litmus-paper","entry","first","instock","taxable","shipping-taxable","purchasable","product-type-simple","has-product-nav","col","span_1_of_3","owp-content-center","owp-thumbs-layout-horizontal","owp-btn-normal","owp-tabs-layout-horizontal","has-no-thumbnails"],"_links":{"self":[{"href":"https:\/\/hospitalsupplies.co.za\/index.php?rest_route=\/wp\/v2\/product\/107079","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hospitalsupplies.co.za\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hospitalsupplies.co.za\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/hospitalsupplies.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=107079"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hospitalsupplies.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=107079"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hospitalsupplies.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=107079"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hospitalsupplies.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=107079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}