{"product_id":"lineco-ph-testing-pen","title":"Lineco pH Testing Pen","description":"\u003cp\u003e\u003cstrong\u003eLineco pH Testing Pen\u003c\/strong\u003e is a simple and effective tool to determine the acidity or alkalinity of paper and board materials. Ideal for conservators, archivists, and anyone working with preservation materials.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to Use:\u003c\/strong\u003e Simply draw a small line on the material you wish to test.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor Indication:\u003c\/strong\u003e A purple line typically indicates pH neutrality; clear or yellow means the material may be acidic and unsuitable for conservation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreservation Insight:\u003c\/strong\u003e Paper with a pH of 6.0 or higher can be long-lasting if well-made and properly stored. A pH of 7.0 or above is recommended for archival durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant Note:\u003c\/strong\u003e This pen is a pH indicator only. Results may be unreliable on colored, coated, or unbuffered materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Lineco","offers":[{"title":"Default Title","offer_id":49320430534875,"sku":"ofb1789630602348","price":10.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/2080\/8411\/files\/lineco-ph-testing-pen_1.jpg?v=1789630605","url":"https:\/\/valleyfold.shop\/products\/lineco-ph-testing-pen","provider":"My Store","version":"1.0","type":"link"}