{"product_id":"hanna-instruments-hi-4001-03-1000mg-l-ammonia-standard-500-ml","title":"Hanna Instruments HI-4001-03 1000mg\/L Ammonia Standard, 500 mL","description":"\u003cp\u003eHI-4001-03 is a 1000 mg\/L (ppm) standard solution of ammonia (as NH3-N) used to calibrate the ammonia gas sensing, combination Ion Selective Electrode (ISE). All Hanna ISE standard solutions are manufactured with high purity chemicals.\u003c\/p\u003e\u003cp\u003eISEs require calibration for accurate readings. Calibration of up to two points is recommended for enhanced accuracy. ISE calibration standards and sample solutions should always have the same ionic strength; the exact volume of ionic strength adjuster (ISA) must be added to all standards and samples prior to measurement.\u003c\/p\u003e \u003ch3\u003eISE Standards\u003c\/h3\u003e \u003cp\u003eOur wide selection of HANNA ISE Standards are made and bottled in our own state-of-the-art solutions facility. ISE Standards are required for direct and incremental measurement techniques and are available with certificate of analysis.\u003c\/p\u003e \u003ch3\u003eSafety Data Sheets\u003c\/h3\u003e \u003cp\u003eAccess safety data sheets online here. When using any form of chemical, it is important you download the relevant safety datasheet and make yourself aware of any precautions you should take when handling the chemical. You can access our library of safety datasheets and download a copy by following the link below.\u003c\/p\u003e \u003cp\u003ePlease note that the '-' in HI- products should be removed from all searches to find the correct information.\u003c\/p\u003e \u003cp\u003e\u003ca href=\"https:\/\/sds.hannainst.com\/v\/856999\" target=\"_blank\" rel=\"noreferrer noopener\"\u003eclick here\u003c\/a\u003e\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":57640061469045,"sku":"HI-4001-03","price":87.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/1000ppm-ammonia-standard.jpg?v=1791580109","url":"https:\/\/testallwater.co.uk\/products\/hanna-instruments-hi-4001-03-1000mg-l-ammonia-standard-500-ml","provider":"Test All Water","version":"1.0","type":"link"}