{"product_id":"hanna-groline-ph-4-01-calibration-buffer-500-ml","title":"Hanna GroLine pH 4.01 Calibration Buffer 500 ml","description":"\u003ch2 style=\"margin: 0px; padding-bottom: 10px; line-height: 1.9rem; font-size: 20px; font-weight: bold;\"\u003eHanna GroLine pH 4.01 Calibration Buffer, 500 ml\u003c\/h2\u003e\n\u003cstyle\u003e\n  .head1 {\n    font-size: 14px\n  }\n\n.break {padding-top: 10px;}\n\n  * {\n    box-sizing: border-box;\n  }\n\n  .flex-container {\n    display: flex;\n    flex-direction: row;\n    margin: 0 0% 0 0%;\n  }\n\n  .flex-item-left {\n    padding: 15px 5px 0px 0px;\n    flex: 50%;\n  }\n\n  .flex-item-right {\n    padding: 15px 0px 0px 20px;\n    flex: 50%;\n  }\n\n  \/* Responsive layout - makes a one column-layout instead of two-column layout *\/\n  @media (max-width: 800px) {\n    .flex-container {\n      flex-direction: column;\n      margin: 0;\n    }\n\n    .flex-item-left {\n      padding: 15px 0px 0px 0px;\n      flex: 50%;\n    }\n\n    .flex-item-right {\n      padding: 15px 0px 0px 0px;\n      flex: 50%;\n    }\n  }\n\u003c\/style\u003e\n\u003cp\u003eHI7004-050 is a high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna's line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied with Certificate of Analysis\u003c\/li\u003e\n\u003cli\u003eAccuracy of +\/- 0.02 pH @ 25°C\u003c\/li\u003e\n\u003cli\u003eTemperature chart of the actual pH value at various temperatures printed on each bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"break\"\u003eHI7004-050 is a high quality pH 4.01 calibration buffer produced in accordance with ISO 3696\/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are accurate to +\/- 0.02 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRMs).\u003c\/div\u003e\n\u003cdiv class=\"flex-container\"\u003e\n\u003cdiv class=\"flex-item-left\"\u003e\n\u003ch2 class=\"head1\"\u003e\u003cstrong\u003eThe HI7004-050 is supplied with Certificate of Analysis:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduct code\u003c\/li\u003e\n\u003cli\u003eLot number\u003c\/li\u003e\n\u003cli\u003eMean lot value\u003c\/li\u003e\n\u003cli\u003eSRMs that were used\u003c\/li\u003e\n\u003cli\u003eManufacturing date\u003c\/li\u003e\n\u003cli\u003eExpiration date\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"flex-item-right\"\u003e\n\u003ch2 class=\"head1\"\u003e\u003cstrong\u003eColor coded label for easy pH buffer value identification:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEasy to identify different buffer values\u003c\/li\u003e\n\u003cli\u003eSolution does not contain any dyes that may stain the reference cell of a pH electrode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Monster Gardens","offers":[{"title":"Default Title","offer_id":42555499348004,"sku":"h_mt_041","price":17.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3914\/1924\/files\/HannaGroLinepH4.01CalibrationBuffer500ml.png?v=1756143423","url":"https:\/\/www.growitdepot.com\/products\/hanna-groline-ph-4-01-calibration-buffer-500-ml","provider":"Grow It Depot","version":"1.0","type":"link"}