Inviting Comments For Purchase Of Consumables ( Make Sigma ) On Proprietary Basis Inviting Comme 1. Toluene Anhydrous, 99.8% Molecular Weight 92.14 Cat. No. 244511 Sigma 2. Titania Paste, Transparent Great Cell Solar, Tio2 Paste, Cat. No. 791547 Sigma 3 Thioacetamide , Acs Reagent, 299.0% Cat.No. 163678, Sigma 4 Ammonium Metavandate , Acs Reagent, 99.0%, Cat No. 398128, Sigma 5. Poly Vinylidene Fluoride ( Pvdf ) , Average Mw -534, 000 By Cpc, Powder Cat No. 182702, Sigma 6. Tin ( Ii ) Chloride Dehydrate Acs Reagent, 98%, Sncl2 • 2H20, Cat No. 243523, Sigma 7. Sodium Sulfate, Acs Reagent, .99.0%, Anhydrous, Powder, Cat. No. 238597, Sigma 8. Hydrazine Hydrate, Reagent Grade, N2h4 50-60 %, Cat. No. 225819, Sigma 9. Sodium Nitrate, Acs Reagent, X99.0%, Cat No. 221341, Sigma 10. Manganese ( Ii ) Nitrate Tetrahydrate, Purum P.A., .97, 0% ( Kt ) , Cat. No. 244023, Sigma 11. Hydrochloric Acid, Acs Reagent, 37% , Cat. No. 320331, Sigma 12. Rhodamine B A95% ( Hplc ) , Cat. No. 86626, Sigma 13. N-Methyl Pyrolidone ( Nmp ) >99.0% Cat No. 443778, Sigma 14. Ammonium Flouride >95% Extra Pure , Cat No. 216011 , Sigma 15. Urea, Acs 99% Cat. No. U5128, Sigma 16. Sodium Carbonate Monohydratre, Acs >99.5%, Cat. No 230952, Sigma 17. Poly ( Ethylene Oxide ) , Avg Mw 500000, Cat. No. 182028 , Sigma
