{"product_id":"nitrogen-standard-1-ml-0-25-mg-n-250-ppm-n-as-nitrite-821-ppm-no2-equivalent-to-1-ml-821-1-ppm-nitrite-no2-500-ml-poly-bottle-ricca-chemical-5460-16-non-regulated","title":"Nitrogen Standard, 1 mL = 0.25 mg N, 250 ppm N as Nitrite (821 ppm NO2-), Equivalent to 1 mL = 821.1 ppm Nitrite (NO2), 500 mL Poly Bottle, Ricca Chemical 5460-16 (Non-Regulated)","description":"\u003cp\u003e\u003cstrong\u003eRicca Chemical Company® Nitrogen Standard, 1 mL = 0.25 mg N, 250 ppm N as Nitrite (821 ppm NO\u003csub\u003e2\u003c\/sub\u003e\u003csup\u003e-\u003c\/sup\u003e), Equivalent to 1 mL = 821.1 ppm Nitrite (NO\u003csub\u003e2\u003c\/sub\u003e), 500 mL Poly Bottle, 5460-16 (Non-Regulated)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance:  colorless liquid\u003c\/li\u003e\n\u003cli\u003eCAS Nos.:\n\u003cul\u003e\n\u003cli\u003eWater:  7732-18-5\u003c\/li\u003e\n\u003cli\u003eChloroform:  67-66-3\u003c\/li\u003e\n\u003cli\u003eSodium Nitrite:  7632-00-0\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003epH:  approximately 9\u003c\/li\u003e\n\u003cli\u003eMelting\/Freezing Point:  0 °C\u003c\/li\u003e\n\u003cli\u003eBoiling Point\/Range:  100 °C\u003c\/li\u003e\n\u003cli\u003eRelative Density:  1.00\u003c\/li\u003e\n\u003cli\u003eSolubility:  Miscible\u003c\/li\u003e\n\u003cli\u003eShelf Life:  6 months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 85%;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e\t\n\u003ctr\u003e\n\u003ctd\u003eReference\u003c\/td\u003e\n\u003ctd\u003eMethod\u003c\/td\u003e\n\u003ctd\u003eTest\u003c\/td\u003e\n\u003ctd\u003eReagent #\u003c\/td\u003e\n\u003ctd\u003eReagent Name\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAPHA\u003c\/td\u003e\n\u003ctd\u003e5-Day BOD Test\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003e5.a\u003c\/td\u003e\n\u003ctd\u003eNutrient Buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAPHA\u003c\/td\u003e\n\u003ctd\u003eCadmium Reduction Method\u003c\/td\u003e\n\u003ctd\u003eNitrogen (Nitrate)\u003c\/td\u003e\n\u003ctd\u003e3j\u003c\/td\u003e\n\u003ctd\u003eStock Nitrite Solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAPHA\u003c\/td\u003e\n\u003ctd\u003eColorimetric Method\u003c\/td\u003e\n\u003ctd\u003eNitrogen (Nitrite)\u003c\/td\u003e\n\u003ctd\u003e3e\u003c\/td\u003e\n\u003ctd\u003eStock Nitrite Solution, 1.00 mL = 250 µg N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Ricca Chemical Company","offers":[{"title":"EA (1)","offer_id":51111651770683,"sku":"RIA-5460-16-EA","price":146.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/RIA-5460-16.png?v=1784721453","url":"https:\/\/preiser.com\/products\/nitrogen-standard-1-ml-0-25-mg-n-250-ppm-n-as-nitrite-821-ppm-no2-equivalent-to-1-ml-821-1-ppm-nitrite-no2-500-ml-poly-bottle-ricca-chemical-5460-16-non-regulated","provider":"Preiser Scientific","version":"1.0","type":"link"}