1 Sigma-Aldrich 409081-1L AAM-DADMAC, Millipore, (fl. 1L) "Poly(acrylamide-co-diallyldimethylammonium chloride) solution 10 wt. % in H2O 10 wt. % in H2O" BUC - 1 X 248.84 LEI 5 Honeywell 02650-1L Acid azotic ultrapur 60%, 1L Nitric Acid TraceSELECT™ Ultra, for ultratrace analysis, 67-69%, 1L BUC - 5 X 3645.00 LEI 15 Honeywell 30743-2.5L Acid sulfuric 95-98% GR for analysis ACS, ISO (flacon 2,5 l) Sulfuric acid Puriss. p.a., for determination of Hg, ACS Reagent, Reag. ISO, Reag. Ph. Eur., 95.0-97.0% BUC - 11 X 95.00 LEI 22 Sigma-Aldrich 185698-100G Barbituric acid GR for analysis (fl/100g) BARBITURIC ACID, REAGENTPLUS, 99% BUC - 6 X 103.18 LEI 26 Merck 1144170001 Cyanide Test Aquaquant 0.002-0.03 mg/L CN(1.14417.0001) CYANIDE TEST 0.002 - 0.004 - 0.007 - 0.0 BUC -1X 540.00 LEI 27 Honeywell 04211-1KG Diammonium hydrogen phosphate (NH)42HPO4, 1KG AMMONIUM PHOSPHATE DIBASIC, Puriss., meets analytical specification of NF, 99-102% BUC - 1X 148.00 LEI 29 Sigma-Aldrich S5130-25G Dioxid de siliciu amorf (Cab-osil -fl. 25g) SILICA, FUMED, POWDER BUC - 2X 111.63 LEI 31 Merck 1072330025 Fenoftaleina (fl 25g) PHENOLPHTHALEIN INDICATOR PH 8,2 - 9,8, 25G BUC - 4 X 147.00 LEI 33 Sigma-Aldrich 79762-250G Fosfat acid de diamoniu (NH4)2HPO4, ≥99% pt HPLC AMMONIUM PHOSPHATE DIBASIC HPLC BUC - 2 X 92.13 LEI 34 CHIMREACTIV 00001332 Fosfat monopotasic p.a., 1kg Fosfat monopotasic p.a., 1kg BUC - 50 X 30.00 LEI 41 Honeywell 30315-500G Iodura de potasiu 99,5% p.a.(fl/500g) Potassium iodide Puriss.