Ammonium iron(II) sulfate concentrate, for 1L standard solution, 0.06 M (NH4)2Fe(SO4)2, for COD determination7783-85-9packaging : Ampoule
Ammonium molybdate tetrahydrate, Puriss. p.a., ACS reagent, ?99.0% (T)12054-85-2H24Mo7N6O24 · 4H2Opackaging : Plastic Bottle
Chromium(III) nitrate nonahydrate, Puriss. p.a., ?98.0%7789-02-8Cr(NO3)3 · 9H2Opackaging : Plastic Bottle
Potassium chromate, Puriss. p.a., ACS Reagent, Reag. Ph. Eur., ?99.5%7789-00-6CrK2O4packaging : Plastic Bottle
Potassium hexacyanoferrate(II) trihydrate, Purum, ?99%14459-95-1C6FeK4N6 · 3H2Opackaging : Fiberboard Box
Potassium phosphate dibasic trihydrate, Puriss. p.a., ?99.0% (T)16788-57-1HK2O4P · 3H2Opackaging : Box with Bag
Strontium nitrate, Puriss. p.a., ACS Reagent, ?99.0% (complexometric)10042-76-9N2O6Srpackaging : Plastic Bottle
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