{"product_id":"total-nitrogen-tube-test-set-lr-0-5-25-mg-l-25-pk-tintometer-inc-535550-8-un1824-pg-iii-5-1-un-3215-pg-iii-8-un1830-pg-ii","title":"Total Nitrogen Tube Test Set, LR, 0.5-25 mg\/L 25\/Pk, Tintometer, Inc., 535550 (8, UN1824, PG III; 5.1, UN 3215, PG III; 8, UN1830, PG II)","description":"\u003cdiv\u003e\u003cstrong\u003eLovibond® Tintometer® VARIO® Total Nitrogen Tube Test Set, Low Range, 0.5-25 mg\/L 25\/PK, 535550\u003c\/strong\u003e\u003c\/div\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eTest Set for photometric determination of Total Nitrogen in the range of 0.5 to 25 mg\/L as N\u003c\/li\u003e \u003cli\u003eThermoreactor required with temperature of 100 °C for digestion and colorimeter with a 430 λ \/ nm wavelength or spectrophotometer with a 410 λ \/ nm wavelength to be used to read results\u003c\/li\u003e \u003cli\u003eMethod: Persulfate-digestion method\u003c\/li\u003e \u003cli\u003eAppearance: \u003cul\u003e \u003cli\u003eVARIO N Persulfate Reagent: white powder\u003c\/li\u003e \u003cli\u003eVARIO Nitrogen Reagent A:  colorless powder\u003c\/li\u003e \u003cli\u003eVARIO Nitrogen Reagent B:  yellowish brown crystalline powder\u003c\/li\u003e \u003cli\u003eNitrogen Acid Low Range\/High Range: colorless liquid\u003c\/li\u003e \u003cli\u003eVARIO Dionized Water:  colorless liquid\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eCAS Nos: \u003cul\u003e \u003cli\u003eVARIO N Persulfate Reagent: \u003cul\u003e \u003cli\u003eDisodium Peroxodisulfate: 7775-27-1\u003c\/li\u003e \u003cli\u003ePotassium Persulfate: 7727-21-1\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eVARIO Nitrogen Reagent A: \u003cul\u003e \u003cli\u003eDisodium Disulfite: 7681-57-4\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eVARIO Nitrogen Reagent B:  \u003cul\u003e \u003cli\u003eUrea:  57-13-6\u003c\/li\u003e \u003cli\u003eQuartz (SiO\u003csub\u003e2\u003c\/sub\u003e):  14808-14-7\u003c\/li\u003e \u003cli\u003eDisodium Disulfite: 7681-57-4\u003c\/li\u003e \u003cli\u003eDisodium-4,5-Dihydroxynaphthalene-2,7-Disulfonate:  5808-22-0\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eNitrogen Acid Low Range\/High Range: \u003cul\u003e \u003cli\u003eSulfuric Acid:  7664-93-9\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eVARIO Dionized Water:  7332-18-5\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003c\/ul\u003e","brand":"Lovibond","offers":[{"title":"PK (1)","offer_id":51184718643515,"sku":"96-1004-01-PK","price":214.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/96-1004-01.png?v=1784713607","url":"https:\/\/preiser.com\/products\/total-nitrogen-tube-test-set-lr-0-5-25-mg-l-25-pk-tintometer-inc-535550-8-un1824-pg-iii-5-1-un-3215-pg-iii-8-un1830-pg-ii","provider":"Preiser Scientific","version":"1.0","type":"link"}