Purchase Of Chemicals, Glassware, Filter Paper And Other Miscellenious Item For Siol Testing Laboratory, Uttar Dinajpur. , Supply Of Laboratory Chemicals & Glassware : (Details Specification Appended Separately In Soq) , 2,4-Dinitrophenylhydrazine : Melting Range 9After Drying) 196 To 199; 196°C, Sulfated Ash Nmt 0.1% , Ammonium (Solution 25%) : Assay (Nh3 ) Nlt 25%, Chloride (Ci) Nmt 0.00005 %, Sulfate (So4) Nmt 0.0002%, Phosphate(Po4) Nmt 0002% Substances Reducing Kmno4 Conforms, Heavy Metals (As Pb)Nmt 0.00005% M, Residue On Ignition (As Sulfate)Nmt 0.002% , Ammonium Solution 25% : Assay (Nh3 ) Nlt 25%, Chloride (Ci) Nmt 0.00005 %, Sulfate (So4) Nmt 0.0002%, Phosphate(Po4) Nmt 0002% Substances Reducing Kmno4 Conforms, Heavy Metals (As Pb)Nmt 0.00005% M, Residue On Ignition (As Sulfate)Nmt 0.002% , Ammonium Acetate : Assay (Ch3coonh4) ) Nlt 97%, Ph-Value (5% W/V; Water) 6.7 To 7.3, Chloride (Ci) Nmt 0.0005 %, Sulfate (So4) Nmt 0.0001%,Nitrate (No3 )Nmt 0.001% , Residue On Ignition (As Sulfate)Nmt 0.001%, Insoluble Matter Nmt 0.005% , Ammonium Fluoride : Assay (Nh4f) Nlt 95 %, Ph-Value (5% W/V; Water) Nlt 5.7,Hexafluorosilicate (Sif6) Nmt 0.2 %, Sulfate (So4) Nmt 0.02 %,Iron (Fe) Nmt 0.002 %, Lead (Pb) Nmt 0.002 %, Non-Volatilesubstances Nmt 0.02 %. , Ammonium Heptamolybdate :Assay( As Moo3) 81 To 83, Chloride (Cl) Nmt 0.002 %, Nitrate(No3) Conforms, Sulfate (So4) Nmt 0.02 %, Lead (Pb) Nmt0.001 %, Magnesium (Mg) Nmt 0.005 %, Potassium(K) Nmt0.01 %, Sodium(Na) Nmt 0.01 %, Insoluble Matter Nmt 0.005%, Heavy Metals (As Pb) Nmt 0.001 %, Phosphate, Arsenate,Silicate ( As Sio2) Nmt 0.001 % , Ammonium Iron Sulphate Hexahydrate :Assay [(Nh4)2Fe(So4)2.6H2o] 98.5 To 101.5, Insoluble Matternmt 0.01 %, Iron (Fe+++) Nmt 0.01 %, Zinc (Zn) Nmt 0.003 %,Magnesium (Mg) Nmt 0.002 %, Test Solution[10% W/V; Thesolution Is Clear & Complete , L-Ascorbic Acid : Assay (C6h8o6) 99.6 %, Heavy Metals (As Pb) 0.001 %, Residueon Ignition (As Sulfate) 0.1 % , Azomethine-H :Specification: Absorptivity A 1% /1Cm (236Nm; 0.05%, 1Cm,Buffer Solution Ph 5.1) =1200, Loss On Drying (105°C) =2.0,Suitability For Photometric (Determination Of Boron) Conforms , Barium Chloride Dehydrate :Assay (Bacl2.2H2o) Nlt 99 %, Ph-Value (5% W/V; Water) 5.2 To8.2, Insoluble Matter Nmt 0.005 %, Heavy Metals (As Pb) Nmt0.0005 %, Strontium (Sr) Nmt 0.1 %, Oxidizing Substances (Asno3) Nmt 0.005 %, Loss On Drying (150 °C) 14 To 16 , Boric Acid , Boron Standard Solution (Aas Std)-1000Ppm :Traceable To Srm From Nist H3bo3 In H2o 1000 Mg/I B Certipur Metrological Traceability: Directly Traceable To Nist Srm 3107,Lot 190605, Certified Value As Mass Fraction 1001Mg/Kg,Associated Uncertainty, U=K•U (K=2) As Mass Fraction ± 6Mg/Kg , Bromocresol Green Indicator :Transition Range: Ph 3.6 : Yellow-Green Ph 5.2 : Bluespecific Extinction (E 1%/1Cm; Lambda : Nlt 230 , Specific Extinction (E 1%/1Cm; Lambda: Nlt 490 , Loss On Drying (105°C): Nmt 3 % , Ph 4.0 Buffer Solution :Clear, Colourless Solution, Ph-Value Of Solution At 20 °C : 3.98To 4.02 , Ph 7.0 Buffer Solution :Clear, Colourless Solution, Ph-Value Of Solution At 20 °C : 6.98To 7.02 , Ph 9.0 Buffer Solution: Clear, Colourless Solution, Ph-Value Of Solution At 20 °C : 8.98To 9.02 , Calcium Chloride Dehydrate :Assay (Cacl2.2H2o; Complexometric) : 99 To 105, Ph-Value(5%; Water, 25 °C) : 4.5 To 8.5, Heavy Metals (As Pb): Nmt0.0005 %, Oxidisable Substances(As No3): Nmt 0.003 % , Copper Standard Solution (Aas Std)- 1000 Ppm :Metrological Traceability: Directly Traceable To Nist Srm 3114,Lot 120618, Certified Value As Mass Fraction 986 Mg/Kg,Associated Uncertainty, U=K•U (K=2) As Mass Fraction ± 5Mg/Kg , Di Ethylene Triaminepenta Acetic Acid : Assay (Complexometric, Calc. On Anhydrous Substance) 100%,Ph-Value (Saturated Solution) 2.4 , Diphenylamine Indicator :Purity (Gc): Nlt 98 %, Melting Range : 52.5 To 54, Sulfated Ash: Nmt 0.03 %, Loss On Drying (Over Silica Gel ) : Nmt 1 %,Substances Insoluble In Ethanol : Conforms , Ethanol- Absolute(95% Pure) : Purity: 99%, Acidity And Alkalinity : = 30, Density ( D 20°C / 20°C ): 0.790-0.793 , Ethylene Di Amine Tetra Acetic Acid Di-Sodium Salt : Assay (C10h14n2na2o8; : 99 To 101, Ph Of A 5% Solution At25.0°C : 4 To 6 , Insoluble Matter : Nmt 0.005 %,Nitrilotriacetic Acid : Nmt 0.1, Heavy Metals (As Pb) : Nmt0.005 %, Iron (Fe) : Nmt 0.01 % , Glacial Acetic Acid: Assay (Ch3cooh) : Nlt 99.7 % , Non-Volatile Substances : Nmt0.001 %, Titratable Base : Nmt 0.0004 Meq/G, Colour (Apha) :Nmt 10 Hu, Heavy Metals (As Pb) : Nmt 0.00005 %, Aceticanhydride : Nmt 0.1 % , Glacial Acetic Acid :Assay (Ch3cooh) : Nlt 99.7 % , Non-Volatile Substances : Nmt0.001 %, Titratable Base : Nmt 0.0004 Meq/G, Colour (Apha) :Nmt 10 Hu, Heavy Metals (As Pb) : Nmt 0.00005 %, Aceticanhydride : Nmt 0.1 % , Gum Acacia , Hydrochloric Acid (Concentrated)- 35 % :Assay (Hcl) Nlt : 35 %, Heavy Metals (As Pb) : Nmt 0.001 %,Residue On Ignition (As Sulfate) Nmt : 0.005 % , Iron Standard Solution (Aas Std)- 1000 Ppm :Metrological Traceability: Directly Traceable To Nist Srm3126a, Lot 140812, Certified Value As Mass Fraction 987 Mg/Kg,Associated Uncertainty, U=K•U (K=2) As Mass Fraction ± 5Mg/Kg , Manganese Standard Sol. (Aas Std)- 1000 Ppm : Metrological Traceability: Directly Traceable To Nist Srm 3132,Lot 050429, Certified Value As Mass Fraction 986 Mg/Kg,Associated Uncertainty, U=K•U (K=2) As Mass Fraction ± 5Mg/Kg , Methyl Red Indicator :Transition Range : Ph 4.4 : Red, Ph 6.2 : Yellow Specific Extinction (E 1%/1Cm; Lambda Max1 524 Nm; Ph 4.4)1577.1, Specific Extinction (E 1%/1Cm; Lambda Max2 430 Nm;Ph 6.2) : 733.3 , Mixed Indicator : Application Test : Conforms, Ph-Value (20°C) : 4.5-5.0 , Nitric Acid – 69% (Concentrated) : Assay (Hno3) : 68 To 70, Arsenic (As) : Nmt 0.000001 %, Heavymetals (As Pb): Nmt 0.00002 %, Residue On Ignition (Assulfate) :Nmt 0.0005 % , Ortho Phosphoric Acid- 85% :Assay (H3po4) 99 %, Heavy Metals (As Pb) : 0.001 %,Insoluble Matter 0.001 % , Ortho Phosphoric Acid- 85% :Assay (H3po4) 99 %, Heavy Metals (As Pb) : 0.001 %,Insoluble Matter 0.001 % , Oxalic Acid :Assay (C2h2o4.2H2o) : 99.5 To 102, Insoluble Matter , Potassium Chloride : Assay (Kcl) Nlt 99 %, Ph-Value (5% W/V; Water) : 5.5 To 8.5,Heavy Metals (As Pb) Nmt 0.002 % , Potassium Dichromate :Assay (K2cr2o7) : Nlt 99 %, Insoluble Matter : Nmt 0.005 %,Loss On Drying (105°C) : Nmt 0.05 %, Iron (Fe) : Nmt 0.001 %,Calcium (Ca) :Nmt 0.003 %, Sulfate (So4) : Nmt 0.005 % , Potassium Dihydrogen Orthophosphate :Assay (Kh2po4) ; Nlt 99 %, Ph-Value (5% W/V; Water) : 4.1 To4.5, Loss On Drying : Nmt 0.2 %, Insoluble Matter : Nmt 0.01%, Heavy Metals (As Pb) : Nmt 0.001 %, , Potassium Permanganate :Identity K: Conforms, Mno4: Conforms Assay (Kmno4) 99 %, Sulfate (So4) 0.01 % , Potassium Standard Solution (Aas Std)- 1000 Ppm : Metrological Traceability: Directly Traceable To Nist Srm3141a, Lot 140813, Certified Value As Mass Fraction 986 Mg/Kg,Associated Uncertainty, U=K•U (K=2) As Mass Fraction ± 5Mg/Kg , Silver Nitrate : Assay (Agno3) :99 %, Substances Not Precipitated By :0.002 %,Chloride (Cl) : 0.0003 % , Sodium Bicarbonate- P Free : Assay (Nahco3; Acidimetric, Calc.: 99.7 To 100.3, Phosphate(Po4) : Nmt 0.001 %, Insoluble Matter : Nmt 0.015 %, Heavymetals (As Pb) : Nmt 0.0005 %, Sulfur Compounds (As So4) :Nmt 0.003 %, Ammonium (Nh4) : Nmt 0.0005 % , Sodium Chloride :Assay (Nacl) Nlt 99 % 100.74 %, Ph-Value (5% W/V; Water) 5To 9 6.17, Insoluble Matter Nmt 0.005 % 0.002 % , Sodium Hydroxide Pellets :Assay (Naoh) Nlt 99.6 %, Nitrogen Compounds (N) Nmt0.001 % 0.0004 %, Heavy Metals(As Pb) Nmt 0.002 % 0.0006% , Sulfuric Acid-98%(Concentrated) :Assay (H2so4): 97.94 %, Kmno4 Reducing Substances (As So2)Nmt 0.0002 %, Residue On Ignition (As Sulfate) Nmt 0.0005 % , Tin(Ii) Chloride Dehydrate :Assay (Sncl2.2H2o): 98 To 103, Calcium (Ca) : Nmt 0.005 %,Potassium (K) : Nmt 0.005 %, Sodium (Na) : Nmt 0.01 % , Measuring Cylinders, Graduated, Single Metric Scale, With Pour Out, Withhexagonal Base, Class B,. (Borosilicate Glass) , Measuring Cylinders, Graduated, Single Metric Scale, With Pour Out, Withhexagonal Base, Class B,. (Borosilicate Glass) , Measuring Cylinders, Graduated, Single Metric Scale, With Pour Out, Withhexagonal Base, Class B,. (Borosilicate Glass) , Measuring Cylinders, Graduated, Single Metric Scale, With Pour Out, Withhexagonal Base, Class B. (Borosilicate Glass) , Measuring Cylinders, Graduated, Single Metric Scale, With Pour Out, Withhexagonal Base, Class B. (Borosilicate Glass) , Measuring Cylinders, Graduated, Single Metric Scale, With Pour Out, Withhexagonal Base, Class B. (Borosilicate Glass) , Flasks, Erlenmeyer, Conical, Narrow Mouth . (Borosilicate Glass) , Flasks, Erlenmeyer, Conical, Narrow Mouth . (Borosilicate Glass) , Flasks, Erlenmeyer, Conical, Narrow Mouth . (Borosilicate Glass) , Flasks, Erlenmeyer, Conical, Narrow Mouth . (Borosilicate Glass) , Flasks, Volumetric, With Interchangeable Solid Glass Stopper, Accuracy Asper Class B,. (Borosilicate Glass) , Flasks, Volumetric, With Interchangeable Solid Glass Stopper, Accuracy Asper Class B, (Borosilicate Glass) , Flasks, Volumetric, With Interchangeable Solid Glass Stopper, Accuracy Asper Class B,. (Borosilicate Glass) , Flasks, Volumetric, With Interchangeable Solid Glass Stopper, Accuracy Asper Class B,. (Borosilicate Glass) , Flasks, Volumetric, With Interchangeable Solid Glass Stopper, Accuracy Asper Class B,. (Borosilicate Glass) , Flasks, Volumetric, With Interchangeable Solid Glass Stopper, Accuracy Asper Class B, (Borosilicate Glass) , Beakers, Griffin, Low Form, With Spout. (Borosilicate Glass) , Beakers, Griffin, Low Form, With Spout. (Borosilicate Glass) , Beakers, Griffin, Low Form, With Spout. (Borosilicate Glass) , Beakers, Griffin, Low Form, With Spout. (Borosilicate Glass) , Beakers, Griffin, Low Form, With Spout. (Borosilicate Glass) , Beakers, Griffin, Low Form, With Spout. (Borosilicate Glass) , Autoburette, With Glass Stopcock, Class B,. Complies With Is 1997/Iso 385. Supplied With Reservoir Andrubber Bellow, With Automatic Zero Facility. (Borosilicate Glass) , Pipettes, Measuring (Mohr Types), Class B.(Borosilicate Glass) , Pipettes, Measuring (Mohr Types), Class B.(Borosilicate Glass) , Pipettes, Measuring (Mohr Types), Class B.(Borosilicate Glass) , Pipettes, Measuring (Mohr Types), Class B.(Borosilicate Glass) , Pipettes, Measuring (Mohr Types), Class B.(Borosilicate Glass) , Pipettes, Measuring (Mohr Types), Class B.(Borosilicate Glass) , Pipettes, Measuring (Mohr Types), Class B.(Borosilicate Glass) , Pipettes, Measuring (Mohr Types), Class B.(Borosilicate Glass) , Funnels, Plain, 60° Angle, Short Stem . (Borosilicate Glass) , Funnels, Plain, 60° Angle, Short Stem . (Borosilicate Glass) , Glass Rods , Glass Cuvette (Quartz) , Reagent Bottle, Wide Mouth, Graduated With Screw Cap. (Borosilicate Glass) , Beaker With Spout (Material-Pp) , Beaker With Spout (Material-Pp) , Volumetric Flask (Material-Pp) , Volumetric Flask (Material-Pp) , Measuring Cylinder Graduated, With Pour Out. (Material-Pp) , Funnels, Plain, 60° Angle, Short Stem. (Material-Pp) , Funnels, Plain, 60° Angle, Short Stem. (Material-Pp) , Wash Bottle. (Material-Pp) , Plastic Tray , Filter Paper -1 ( Pack Of 500 Sheets) , Filter Paper -42 ( Pack Of 100 Sheets) , Tissue Roll
