5 Boric acid B0394-500G 500g Sigma Aldrich 1 347.88 347.88 "Boric acid ACS reagent, ≥99.5%" 6 Hydrochloric acid, 36% w/w aq. soln., Thermo Scientific Chemicals L13091.AU 1L Thermo Scientific 1 170.00 170.00 "Hydrochloric acid 36% (w/w) in aqueous solution Supplier: Thermo Scientific" 7 Kjeldahl analysis weighing boats, Grade 609, Whatman 611-3990 100buc Whatman products (Cytiva) 1 627.30 627.30 "Kjeldahl analysis weighing b...
5 Boric acid B0394-500G 500g Sigma Aldrich 1 347.88 347.88 "Boric acid ACS reagent, ≥99.5%" 6 Hydrochloric acid, 36% w/w aq. soln., Thermo Scientific Chemicals L13091.AU 1L Thermo Scientific 1 170.00 170.00 "Hydrochloric acid 36% (w/w) in aqueous solution Supplier: Thermo Scientific" 7 Kjeldahl analysis weighing boats, Grade 609, Whatman 611-3990 100buc Whatman products (Cytiva) 1 627.30 627.30 "Kjeldahl analysis weighing boats, Grade 609, Whatman™ Supplier: Whatman products (Cytiva) " 12 Sodium hydroxide 28245.298 1kg VWR 5 84.00 420.00 "Sodium hydroxide ≥98%, pellets, GPR RECTAPUR® Supplier: VWR Chemicals" 13 Sodium sulfite S4672-250G 250g Sigma Aldrich 1 657.60 657.60 "Sodium sulfite BioXtra, ≥98%" 14.2 produs alternativVWR 27068.233 250g vwr 2 117.72 235.44 "L(+)-Potassium sodium tartrate tetrahydrate 99.0-102.0%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent Supplier: VWR Chemicals" 15 Methanol 20847.318 1l VWR Chemicals 4 31.28 125.12 "Methanol ≥99.8%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent Supplier: VWR Chemicals" 16 Syringe filters, labeled, CHROMAFIL Xtra PTFE, 25 mm, 0.45 µm 729205.400 400buc Macherey Nagel 1 1564.31 1564.31 Syringe filters, labeled, CHROMAFIL Xtra PTFE, 25 mm, 0.45 µm 18.2 produs alternativ VWR 26997.293 1kg WR Chemicals 1 121.03 121.03 "Potassium sulphate ≥99.0%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent Supplier: VWR Chemicals " 19 Copper(II) sulfate 84845.290 1kg VWR Chemicals 1 279.79 279.79 "Copper(II)
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