Delhi Jal Board

Delhi Jal Board has published Short Nit No. 02 ( 2021-22 ) Procurement Of Ferric Chloride ( Anhydrous ) Commercial Grade As Per Specification And Boq. , Specifications For Ferric Chloride ( Anhydrous ) Bis Markmolecular Formula Fecl3 Molecular Weight 162.2 G / Mol Physical State: Solid Grade: Anhydrous / Commercial Grade Colour: Greenish-Yellow To Brown-Black Solid. Odour: Faint Hydrochloric Odor When Dissolved In Water Solubility:Slightly Soluble In Water, 5 To 10 Mg / Ml At 68° F ( Ntp, 1992 ) In Cold Water: 74.4 G / 100 Cc At 0 °C; In Hot Water: Combustibility:Non-Combustible Ph: 2 / 2.7 Of The Solution Density:2.8 At 680 F ( At Anhydrous ) Boiling Point:5990 At 760 Mm Hg ( Ntp 1992 ) Melting Point : 5830 At 760 Mm Hg ( Ntp 1992 ) Voc Content:Nil Spilled Solid:Not More Than 2% Purity:Minimum 98% Iron ( As Fe ) :Minimum 33% Ferus Salt As ( Fecl2 ) Maximum 0.10%The Ferric Chloride Must Be Free From Toxic And Heavy Metals. Other Experimental Properties Standard Molar Enthalpy ( Heat ) Of Formation At 298.15 Deg K Is -399.5 Kj / Mol ( Crystal ) ; Standard Molar Gibbs Energy Of Formation At 298.15 Deg K Is -334.0 Kj / Mol ( Crystal ) ; Standard Molar Entropy At 298.15 Deg K Is 142.3 J / Mol / K ( Crystal ) ; Molar Heat Capacity At Constant Pressure At 298.15 Deg K Is 96.7 J / Mol / K ( Crystal ) Grades: Anhydrous 96%; 42 Deg Be Solution, Photographic And Sewage Grades. Packaging: In Pp Bags As Per Bis Guidelines. Last date of submission for this tender is 2021-09-01. This is a Chemical Supply tender in Chief Water Analyst (wns)-iii, Delhi