{"title":"Nitrogen Standards","description":"\u003cp\u003eNitrogen Standards\u003c\/p\u003e","products":[{"product_id":"ultra-low-nitrite-calibration-standards-checking-set-hanna-instruments-hi764-11","title":"Ultra Low Nitrite Calibration Standards Checking Set, Hanna Instruments, HI764-11","description":"\u003cdiv\u003e HI 764-11 is the calibration checking set for the HI 764 Ultra Low Range Nitrite Checker®HC.  The set consists of two cuvettes—a zero cuvette and a 200 ppb cuvette.\u003c\/div\u003e \u003cdiv\u003e \u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"EA (1)","offer_id":51110859964731,"sku":"90-2619-84-EA","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2619-84_09f0453a-753f-49de-a0b4-b3cb76038bb5.png?v=1784702897"},{"product_id":"nitrogen-standard-as-nitrogen-1000-ppm-500-ml-plastic-bottle-ricca-r5455000-500a-non-regulated","title":"Nitrogen Standard, as Nitrogen, 1000 ppm, 500 mL Plastic Bottle,  Ricca R5455000-500A (Non-Regulated)","description":"\u003cp\u003e\u003cstrong\u003eRicca Chemical Company® Ammonia Nitrogen Standard, 1000 ppm N (1216 ppm NH\u003csub\u003e3\u003c\/sub\u003e), 500 mL Plastic Bottle, 5455-16\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eShelf life: 18 months\u003c\/li\u003e \u003cli\u003eCAS Nos.: \u003cul\u003e \u003cli\u003eWater: 7732-18-5\u003c\/li\u003e \u003cli\u003eAmmonium Chloride: 12125-02-9\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eRecommended Storage: 15 to 30 °C (59 to 86 °F)\u003c\/li\u003e \u003cli\u003eAppearance: colorless liquid\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eRecommended Uses:\u003c\/strong\u003e\u003c\/p\u003e \u003ctable style=\"width:\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eReference\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eMethod\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eTest\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eReagent #\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eReagent Name\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eEPA\u003c\/td\u003e \u003ctd\u003e \u003cp\u003ePotentiometric, Ion Selective...\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003eNitrogen, Kjeldahl, Total\u003c\/td\u003e \u003ctd\u003e6.6\u003c\/td\u003e \u003ctd\u003eAmmonium Chloride, Stock Solution, 1.0 mL = 1.0 mg NH\u003csub\u003e3\u003c\/sub\u003e-N\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eEPA\u003c\/td\u003e \u003ctd\u003e \u003cp\u003eColorimetric; Titrimetric; Poten...\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003eNitrogen, Kjeldahl, Total\u003c\/td\u003e \u003ctd\u003e7.8\u003c\/td\u003e \u003ctd\u003eAmmonium Chloride, Stock Solution, 1.0 mL = 1.0 mg NH\u003csub\u003e3\u003c\/sub\u003e-N\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eEPA\u003c\/td\u003e \u003ctd\u003e \u003cp\u003eColorimetric, Semi-Automated...\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003eNitrogen, Kjeldahl, Total\u003c\/td\u003e \u003ctd\u003e6.1\u003c\/td\u003e \u003ctd\u003eAmmonium Chloride, Stock Solution, 1.0 mL = 1.0 mg NH\u003csub\u003e3\u003c\/sub\u003e-N\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eEPA\u003c\/td\u003e \u003ctd\u003e \u003cp\u003ePotentiometric, Ion Selective...\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003eNitrogen, Ammonia\u003c\/td\u003e \u003ctd\u003e6.3\u003c\/td\u003e \u003ctd\u003eAmmonium Chloride, Stock Solution, 1.0 mL = 1.0 mg NH\u003csub\u003e3\u003c\/sub\u003e-N\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eEPA\u003c\/td\u003e \u003ctd\u003e \u003cp\u003eColorimetric; Titrimetric; Poten...\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003eNitrogen, Ammonia\u003c\/td\u003e \u003ctd\u003e6.2\u003c\/td\u003e \u003ctd\u003eAmmonium Chloride, Stock Solution, 1.0 mL = 1.0 mg NH\u003csub\u003e3\u003c\/sub\u003e-N\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eEPA\u003c\/td\u003e \u003ctd\u003e \u003cp\u003eColorimetric, Automated Phen...\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003eNitrogen, Ammonia\u003c\/td\u003e \u003ctd\u003e6.7\u003c\/td\u003e \u003ctd\u003eStock Solution, 1.0 mL = 1.0 mg NH\u003csub\u003e3\u003c\/sub\u003e-N\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eASTM\u003c\/td\u003e \u003ctd\u003e \u003cp\u003eSemiautomated Colorimetric B...\u003c\/p\u003e \u003c\/td\u003e \u003ctd\u003eTotal Kjeldahl Nitrogen\u003c\/td\u003e \u003ctd\u003e19.1\u003c\/td\u003e \u003ctd\u003eAmmonia Solution, Stock 1.0 mL = 1.0 mg ammonium nitrogen)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eASTM\u003c\/td\u003e \u003ctd\u003eManual Digestion \/ Distillation\u003c\/td\u003e \u003ctd\u003eTotal Kjeldahl Nitrogen\u003c\/td\u003e \u003ctd\u003e11.1\u003c\/td\u003e \u003ctd\u003eAmmonia Solution, Stock 1.0 mL = 1.0 mg ammonium nitrogen)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAPHA\u003c\/td\u003e \u003ctd\u003ePhenate Method\u003c\/td\u003e \u003ctd\u003eNitrogen (Ammonia)\u003c\/td\u003e \u003ctd\u003e3f\u003c\/td\u003e \u003ctd\u003eStock Ammonium Solution\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAPHA\u003c\/td\u003e \u003ctd\u003eAmmonia-Selective Electrode...\u003c\/td\u003e \u003ctd\u003eNitrogen (Ammonia)\u003c\/td\u003e \u003ctd\u003e3d\u003c\/td\u003e \u003ctd\u003eStock Ammonium chloride Solution\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAPHA\u003c\/td\u003e \u003ctd\u003eNesslerization Method (Direct...\u003c\/td\u003e \u003ctd\u003eNitrogen (Ammonia)\u003c\/td\u003e \u003ctd\u003e3d\u003c\/td\u003e \u003ctd\u003eStock Ammonium Solution\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAPHA\u003c\/td\u003e \u003ctd\u003eCyanates\u003c\/td\u003e \u003ctd\u003eCyanide\u003c\/td\u003e \u003ctd\u003e3a\u003c\/td\u003e \u003ctd\u003eStock Ammonium Chloride Solution\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e \u003c\/p\u003e","brand":"Ricca Chemical Company","offers":[{"title":"EA (1)","offer_id":51111651574075,"sku":"RIA-5455-43-EA","price":68.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/RIA-5455-43_2d4f7b3f-91f0-4c85-8f34-970abb55df0d.png?v=1785292627"},{"product_id":"nitrogen-standard-100-ppm-sold-by-each-each-bottle-of-16-oz-non-regulated","title":"Nitrogen Standard, 100 ppm (Sold by Each \/ Each = Bottle of 16  oz.) (Non-Regulated)","description":"\u003cp\u003e\u003cstrong\u003eRicca Chemical Company® Nitrate Nitrogen Standard, 100 ppm N (442.7 ppm NO\u003csub\u003e3\u003c\/sub\u003e\u003csup\u003e-\u003c\/sup\u003e), 500 mL Poly Bottle, 5457-16\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAppearance: colorless liquid\u003c\/li\u003e \u003cli\u003eCAS Nos.: \u003cul\u003e \u003cli\u003eWater: 7732-18-5\u003c\/li\u003e \u003cli\u003eChloroform: 67-66-3\u003c\/li\u003e \u003cli\u003ePotassium Nitrate: 7757-79-1\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eShelf-life: 12 months\u003c\/li\u003e \u003cli\u003eStorage: 15°C - 30°C (59°F - 86°F)\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003ctable style=\"width:\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eSpecification\u003c\/td\u003e \u003ctd\u003eReference\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eStock Nitrate Solution\u003c\/td\u003e \u003ctd\u003eAPHA (419D)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eStock Nitrate Solution\u003c\/td\u003e \u003ctd\u003eAPHA (4500-NO\u003csub\u003e3\u003c\/sub\u003e-B)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eStock Nitrate Solution\u003c\/td\u003e \u003ctd\u003eAPHA (4500-NO\u003csub\u003e3\u003c\/sub\u003e-D)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eStock Nitrate Solution\u003c\/td\u003e \u003ctd\u003eAPHA (4500-NO\u003csub\u003e3\u003c\/sub\u003e-E)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eStock Nitrate Solution\u003c\/td\u003e \u003ctd\u003eAPHA (4500-NO\u003csub\u003e3\u003c\/sub\u003e-H)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eStock Nitrate Solution\u003c\/td\u003e \u003ctd\u003eAPHA (4500-NO\u003csub\u003e3\u003c\/sub\u003e-F)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePotassium Nitrate Stock Solution: 1.0 mL = 0.1 mg NO\u003csub\u003e3\u003c\/sub\u003e-N\u003c\/td\u003e \u003ctd\u003eEPA (352.1)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eStock Nitrate Solution (100 mg\/L NO\u003csub\u003e3\u003c\/sub\u003e-N)\u003c\/td\u003e \u003ctd\u003eEPA (353.1)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e","brand":"Ricca Chemical Company","offers":[{"title":"EA (1)","offer_id":51111651606843,"sku":"RIA-5457-43-EA","price":49.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/RIA-5457-43_5c59dd35-5cfa-4295-a33f-bec3f83f36f3.png?v=1784721447"},{"product_id":"nitrogen-standard-1-ml-1-mg-n-1000-ppm-n-as-nitrate-500-ml-poly-bottle-ricca-5459-16-non-regulated","title":"Nitrogen Standard, 1 mL = 1 mg N, 1000 ppm N as Nitrate, 500 mL Poly Bottle, Ricca 5459-16 (Non-Regulated)","description":"\u003cp\u003e\u003cstrong\u003eRicca Chemical Company® Nitrogen Standard, 1 mL = 1 mg N, 1000 ppm N as Nitrate, 500 mL Poly Bottle, 5459-16 (Non-Regulated)\u003cbr\u003e\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\u003ePotassium Nitrate: 7757-79-1\u003c\/li\u003e\n\u003cli\u003eChloroform: 67-66-3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003epH: approximately 7\u003c\/li\u003e\n\u003cli\u003eMelting\/Freezing: 0 °C\u003c\/li\u003e\n\u003cli\u003eBoiling Point\/Range: 100 °C\u003c\/li\u003e\n\u003cli\u003eRelative Density: 1.01\u003c\/li\u003e\n\u003cli\u003eSolubility: Miscible\u003c\/li\u003e\n\u003cli\u003eShelf-Life: 18 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\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\u003eEPA\u003c\/td\u003e\n\u003ctd\u003eSpectrophotometric, Cadmium\u003c\/td\u003e\n\u003ctd\u003eNitrogen, Nitrate-Nitrite\u003c\/td\u003e\n\u003ctd\u003e6.12\u003c\/td\u003e\n\u003ctd\u003eStock Nitrate Solution: 1.0 mL = 1.00 mg NO\u003csub\u003e3\u003c\/sub\u003e-N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEPA\u003c\/td\u003e\n\u003ctd\u003eColorimetric, Automated, Cadmi\u003c\/td\u003e\n\u003ctd\u003eNitrogen, Nitrate-Nitrite\u003c\/td\u003e\n\u003ctd\u003e6.11\u003c\/td\u003e\n\u003ctd\u003eStock Nitrate Solution: 1.0 mL = 1.00 mg NO\u003csub\u003e3\u003c\/sub\u003e-N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eASTM\u003c\/td\u003e\n\u003ctd\u003eManual Cadmium Reduction\u003c\/td\u003e\n\u003ctd\u003eNitrate-Nitrite\u003c\/td\u003e\n\u003ctd\u003e19.7\u003c\/td\u003e\n\u003ctd\u003eNitrate Solution, Stock (1.0 mL = 1.0 mg NO\u003csub\u003e3\u003c\/sub\u003e-N)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eASTM\u003c\/td\u003e\n\u003ctd\u003eAutomated Cadmium Reduction\u003c\/td\u003e\n\u003ctd\u003eNitrate-Nitrite\u003c\/td\u003e\n\u003ctd\u003e11.7\u003c\/td\u003e\n\u003ctd\u003eNitrate Solution, Stock (1.0 mL = 1.0 mg NO\u003csub\u003e3\u003c\/sub\u003e-N)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Ricca Chemical Company","offers":[{"title":"EA (1)","offer_id":51111651705147,"sku":"RIA-5459-43-EA","price":79.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/RIA-5459-43.png?v=1784721451"},{"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"},{"product_id":"nitrogen-standard-as-nitrite-1000ppm-nitrogen-120-ml-plastic-bottle-ricca-r5461000-120a-non-regulated","title":"Nitrogen Standard, as Nitrite, 1000ppm Nitrogen, 120 mL Plastic Bottle, Ricca R5461000-120A (Non-Regulated)","description":"\u003cp\u003e\u003cstrong\u003eRicca Chemical Company® Nitrite Nitrogen Standard, 1000 ppm N (3285 ppm NO\u003csub\u003e2\u003c\/sub\u003e\u003csup\u003e-\u003c\/sup\u003e), 120 mL Poly Bottle, 5461-4\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAppearance: colorless liquid\u003c\/li\u003e \u003cli\u003eCAS Nos.: \u003cul\u003e \u003cli\u003eWater: 7732-18-5\u003c\/li\u003e \u003cli\u003ePotassium Nitrite: 7758-09-0\u003c\/li\u003e \u003cli\u003eChloroform: 67-66-3\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eShelf-life: 6 months\u003c\/li\u003e \u003cli\u003eStorage: 2°C - 8°C (36°F - 46°F)\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003ctable style=\"width:\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eSpecification\u003c\/td\u003e \u003ctd\u003eReference\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eNitrite Solution, Stock (1.0 mL = 1.0 mg NO\u003csub\u003e2\u003c\/sub\u003e-N)\u003c\/td\u003e \u003ctd\u003eASTM (D 3867 A)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eNitrite Solution, Stock (1.0 mL = 1.0 mg NO\u003csub\u003e2\u003c\/sub\u003e-N)\u003c\/td\u003e \u003ctd\u003eASTM (D 3867 B)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eStock Nitrite Solution: 1 mL = 1.0 mg NO\u003csub\u003e2\u003c\/sub\u003e-N\u003c\/td\u003e \u003ctd\u003eEPA (353.2)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eStock Nitrite Solution: 1.0 mL = 1.00 mg NO\u003csub\u003e2\u003c\/sub\u003e-N\u003c\/td\u003e \u003ctd\u003eEPA (353.3)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e\u003c\/p\u003e","brand":"Ricca Chemical Company","offers":[{"title":"EA (1)","offer_id":51111651836219,"sku":"RIA-5461-4-EA","price":66.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/RIA-5461-4.png?v=1784721457"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/collections\/imgi_12_20911_3833c2f7-861e-4191-bb33-4180361e8f46.jpg?v=1762194154","url":"https:\/\/preiser.com\/collections\/nitrogen-standards.oembed","provider":"Preiser Scientific","version":"1.0","type":"link"}