{"product_id":"millipore-copper-std-icp-1000mg-hno3-100-ml","title":"Copper Standard for ICP, Traceable to NIST, 1000 mg\/L Cu in 2–3% HNO₃, Certipur® - 100 mL","description":"\u003cp\u003eThis certified reference material (CRM) is a single-component copper calibration standard solution containing 1000 mg\/L Cu in 2–3% nitric acid. The material is traceable to NIST SRMs and produced under ISO 17034 with characterization according to ISO\/IEC 17025, supporting metrological traceability and analytical confidence.\u003c\/p\u003e\n\n\u003cp\u003eThe solution is suitable for inductively coupled plasma (ICP) techniques including ICP-OES and ICP-MS, as well as applications requiring high-accuracy elemental analysis. It is commonly used for instrument calibration, method validation, quality control, and verification of analytical performance in trace metal determinations.\u003c\/p\u003e\n\n\u003cp\u003ePrepared from high-purity copper nitrate in nitric acid matrix, this CRM provides stable elemental concentration and compatibility with aqueous sample matrices.\u003c\/p\u003e\n\n\u003cp\u003eShipping and Storage Note:\u003cbr\u003e\nShipping conditions and long-term storage requirements may differ. The manufacturer determines appropriate shipping methods to maintain product integrity. Upon receipt, store according to the manufacturer’s recommended conditions (typically 15–25 °C for this material).\u003c\/p\u003e","brand":"Millipore Sigma","offers":[{"title":"Default Title","offer_id":43389804085307,"sku":"1703140100","price":142.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/5641\/8875\/files\/Certipur_standard.png?v=1774043526","url":"https:\/\/gogreenscientific.com\/products\/millipore-copper-std-icp-1000mg-hno3-100-ml","provider":"Go Green Scientific","version":"1.0","type":"link"}