Tender For Purchase of Laboratory Instruments/ Equipments and Accessories-- 1 Laboratory Chemicals 2 Activated charcoal-P free: Substances soluble in ethanol, Losson drying(120°C)approx. 3.8%, 3 Ammonium (solution 25%): Assay (NH3) NLT 25 % , Chloride (Cl) NMT 0.00005 %, Sulfate (SO4) NMT0.0002%, Phosphate(PO4) NMT0.0002%, Substances reducing KMnO4 Conforms, Heavy metals (as Pb) NMT0.00005%m, Residue onignition (assulfate) NMT 0.002 % 4 Ammonium (solution 25%): Assay (NH3) NLT 25 % , Chloride (Cl) NMT 0.00005 %, Sulfate (SO4) NMT0.0002%, Phosphate(PO4) NMT0.0002%, Substances reducing KMnO4 Conforms, Heavy metals (as Pb) NMT0.00005%m, Residue onignition (assulfate) NMT 0.002 % 5 Ammonium Acetate: Assay (CH3COONH4) NLT 97%, pH-value (5%w/v; water) 6.7 to 7.3, Chloride (Cl) NMT 0.0005%, Sulfate (SO4) NMT 0.001%, Nitrate (NO3) NMT 0.001%, Residue onignition (assulfate) NMT 0.01 %, Insoluble matter NMT 0.005 % 6 Ammonium Bi-carbonate: Assay ≥ 99.0%, pH7.0 – 8.5 at 79.1g/l at 25°C, Water solubility 79.1 g/l at 20 °C - completely soluble, Vapor pressure 67.1 h Pa at 20°C, 513 h Pa at 50°C 7 Ammonium Chloride anhydrous:Assay (NH4Cl) 99%, pH-value (5%w/v;water) 4.8, Heavy metals (as Pb) 0.0001 % 8 Ammonium fluoride: Assay (NH4F) NLT 95 %, pH-value (5% w/v; water) NLT 5.7, Hex fluorosilicate (SiF6) NMT 0.2%, Sulfate(SO4) NMT 0.02%, Iron(Fe) NMT 0.002%, Lead(Pb) NMT0.002%, Non-volatile Substances NMT 0.02%. 9 Ammonium Iron Sulphate hexa hydrate: Assay [ (NH4)2Fe(SO4)2.6H2O] 98.5 to 101.5, Insoluble matter NMT 0.01%, Iron (Fe+++) NMT 0.01%, Zinc (Zn) NMT 0.003%, Magnesium (Mg) NMT0.002%, Test solution [10%w/v; The Solution is clear &complete 10 Ammonium Heptamolybdate Tetrahydrate : (NH4)6Mo7O24.4H20: Assay( as MoO3) 81 to 83, Chloride (Cl) NMT 0.002 %, Nitrate (NO3) Conforms, Sulfate (SO4) NMT 0.02%, Lead (Pb) NMT 0.001%, Magnesium (Mg) NMT 0.005%,Potassium (K) NMT0.01%, Sodium (Na) NMT 0.01%, Insoluble matter NMT 0.005 %, Heavymetals (asPb) NMT 0.001%, Phosphate, arsenate, silicate ( asSiO2) NMT 0.001 % 11 Ammonium Hydroxide 12 Ammonium oxalate monohydrate: Titration by KMnO4 99.0 -101.0%, Sulfate (SO4) ≤ 0.002%, Chloride Content ≤ 0.002% 13 Antimony Potassium Tertarate (K(SbO)C4H4O6.1/2H20) 14 L-ascorbic Acid: Assay (C6H8O6) 99.6 %, Heavy metals (as Pb) 0.001 %, Residue on ignition (as sulfate) 0.1 % 15 Ascorbic Acid: Purity (Assay) > 99% , Specific rotation + 20.5° to +21.5° 16 Azomethine H: reagent for the determination of Boron 17 Barium chloride dihydrate: Assay (BaCl2.2H2O) NLT 99 %, pH-value (5% w/v; water) 5.2 to 8.2, Insoluble matter NMT 0.005 %, Heavymetals (as Pb) NMT0.0005%, Strontium (Sr) NMT 0.1%, Oxidizing substances (as NO3) NMT 0.005 %, Loss on drying (150°C) 14 to 16 18 Barium Sulphate: Assay >97.5% , form - powder, application(s) - pharmaceutical (small molecule),SMILES string - [Ba++].[O-]S([O-])(=O)=O,InChI - 1S/Ba.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2 19 Boric Acid: Assay (H3BO3); Chloride (Cl) NMT ≤ 0.0003 %; Phosphate (PO₄) NMT ≤ 0.0005 %; Sulfate (SO₄) NMT ≤ 0.0005 %; Heavy metals (as Pb) NMT ≤ 0.0005 %; Pb (Lead) NMT ≤ 0.001 % 20 Boron standard solution (AASstd)-1000ppm: TraceabletoSRMfromNISTH₃BO₃inH₂O1000mg/lBCertipur® Metrological traceability: Directly traceable to NISTSRM3107, lot190605, Certified value as mass fraction 1001 mg/kg, Associated uncertainty, U= k·u(k=2) as mass fraction ± 6mg/kg with CRM Certificate 21 Bromocresol green indicator: Transitionrange:pH3.6:Yellow-greenpH5.2:Blue Specific Extinction (E 1%/1cm; lambda : NLT 230 Specific Extinction (E 1%/1cm; lambda: NLT 490 Loss on drying (105°C): NMT 3% 22 pH4.0 Buffer Solution: Clear, colourless solution, pH-value of solutionat 20°C: 3.98 to 4.02 With Certificate of Analysis 23 pH7.0 Buffer Solution: Clear, colourless solution, pH-value of solution at 20 °C : 6.98 to 7.02 With Certificate of Analysis 24 pH9.0 Buffer Solution: Clear, colourless solution, pH-value of solutionat 20°C: 8.98 to 9.02 With Certificate of Analysis 25 Calcium carbonate precipitated: Assay (Complex metrically, calculated on dried substance) 98.5-100.5%, Loss of drying (200°C ) ≤1.0%, Substance insoluble in acetic acid ≤0.2%, Substance insoluble in hydrochloric acid≤ 0.005% 26 Calcium chloride dihydrate: Assay(CaCl2.2H2O; Complexo metric): 99 to 105, pH-value (5%; water,25°C): 4.5 to 8.5, Heavymetals (asPb): NMT 0.0005%, Oxidisable substances (as NO3): NMT 0.003% 27 Calcium chloride fused: Assay (CaCl2;on dry substance): NLT 98 %, Heavy metals (as Pb): NMT 0.002%, Water absorption capacity [24hr,RH-80%]: NLT 20%, Appearance: White, hard hygroscopic lumps. (1– 2 cms) 28 Calcon carboxylic acid metal indicator: Absorption maximum ʎmax (Ethanol) : 569-572nm, Spec. Absorptivity A 1%/1cm (ʎmax: 0.025g/l ; ethanol; calc, on water free substance) ≥250, Water (according to Karl Fischer) ≤9 29 Copper standard solution (AAS std) -1000 ppm: Metrologicaltraceability:DirectlytraceabletoNISTSRM3114, lot 120618, Certified value as mass fraction 986 mg/kg, Associated uncertainty, U = k·u(k=2) as mass fraction ±5 mg/kg; With CRM Certificate 30 Copper sulphate penta hydrate: Assay (CuSO₄,5H2O): 98-102%, Insoluble Matter: NMT 0.005%, Iron (Fe) : NMT 0.003 %, Sodium (Na): 0.02% 31 Devarda’s Alloy: Total Nitrogen( N): ≤ 0.001% 32 Diethylene triamine penta acetic acid (DTPA): Assay(complex metric, calc. on anhydrous substance) 100%, pH-value (saturated solution): 2.4 33 Diphenylamine Indicator: Purity(GC):NLT98%,Meltingrange:52.5to54,Sulfatedash :NMT0.03%, Loss on drying (over silica gel): NMT 1%, Substances insoluble in ethanol: Conforms 34 Erichrome Black T: Identity(IR): Conforms, Clarity of solution: Conforms, Specific extinction (E 1%/ 1 cm; on dried : NLT 300, Loss on drying (105°C): NMT 1%, Suitability as a complex metric indicator: Conforms 35 Ethanol-Absolute (95%pure): Purity: 99%, Acidity and Alkalinity: ≤30, Density (d 20°C /20°C): 0.790 – 0.793 36 Ethylene diamine tetra acetic acid di-sodiumsalt (EDTA): Assay (C10H14N2Na2O8; : 99 to 101, pH of a 5% solution at 25.0°C: 4 to 6 , Insoluble matter : NMT 0.005 %, Nitrilotriacetic acid: NMT0.1, Heavymetals (asPb): NMT 0.005%, Iron(Fe) : NMT 0.01 % 37 Filter Paper: Grade - 42, 46cm x 57cm 38 Extran: Density 1.057-1.067, pH value 6-8, foam volume > 80ml 39 Glacial acetic acid: Assay(CH3COOH):NLT 99.7% ,Non volatile substances: NMT 0.001 %, Titratable base : NMT 0.0004 meq/g, Colour (APHA) : NMT10HU, Heavymetals (asPb) : NMT 0.00005%, Acetic anhydride: NMT 0.1% 40 Glacial acetic acid: Assay(CH3COOH):NLT 99.7% ,Non volatile substances: NMT 0.001 %, Titratable base : NMT 0.0004 meq/g, Colour (APHA) : NMT 10 HU, Heavymetals (asPb) : NMT 0.00005%, Acetic anhydride: NMT 0.1% 41 Gum Acacia 42 Glycerol: Purity (GC) : NLT 99.5 %, Colour (APHA) : NMT 10 HU, Heavymetals (asPb): NMT 0.0002%, Fatty acid esters (as glycerol : NMT 0.05% 43 Hexamethylene Tetramine: Assay (C6H12N4): 104.6 %, pH-value (10% w/v; water) : 9, Heavy metals (as Pb): 0.001 %, Loss on drying (105°C) : 1.9 % 44 Hydrochloric acid (Concentrated)-35: Assay (HCl) NLT: 35%, Heavymetals (as Pb): NMT 0.001%, Residue on ignition (as sulfate) NMT: 0.005 % 45 Hydroxylamine hydrochloride: Assay (HONH3Cl) : NLT 98 %, pH-value (5% w/v; Water) : 2.5 to 3.5, Titrable free acid : NMT 0.25 meq/g, Total sulfur (as SO4): NMT 0.005%, Residue on ignition (as sulfates) NMT 0.05 % 46 Iron standard solution (AAS std) - 1000 ppm: Metrological traceability: Directly traceable to NISTSRM3126a, lot140812, Certified value as mass fraction 987 mg/kg, Associated uncertainty, U = k·u (k=2) as mass fraction ± 5 mg/kg With CRM Certificate 47 Liquid paraffin (extra pure): Associated uncertainty, U=k·u(k=2) as mass fraction± 5mg/kg 48 Manganese standard sol. (AAS std) - 1000 ppm: Metrologicaltraceability:DirectlytraceabletoNISTSRM3132, lot050429, Certified value as mass fraction 986 mg/kg, Associated uncertainty, U=k·u(k=2) as mass fraction ± 5mg/kg; with CRM Certificate 49 Methanol: Color Test ≤ 10 APHA, Titratable Acid ≤ 0.0003 eq/Kg, Purity (GC) > 99.8% 50 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%/1 cm; lambdamax2430nm; pH6.2) : 733.3 51 Monobasic monohydrate Calcium phosphate 52 Murexide indicator: Appearance: Dark mauve powder, Loss on drying (110°C): 0.3 % 53 Nitric Acid–69% (Concentrated): Assay(HNO3):68to70,Arsenic(As):NMT0.000001%, Heavymetals (as Pb): NMT 0.00002%, Residue on ignition (as sulfate): NMT 0.0005% 54 Ortho phosphoric acid-85%: Assay (H3PO4) 99%, Heavymetals (as Pb): 0.001%, Insoluble matter 0.001 % 55 p-Nitrophenol (4-Nitrophenol): Faint Yellow to Yellow to Beige, Powder or Crystals , Purity>= 99.0 % 56 Perchloric acid: Assay (HClO4) : 60 to 62, Colour (Apha) : NMT 10 HU, Phosphate & silicate (as SiO2) : NMT 0.0005 %, Residue on ignition (as sulfates): NMT 0.003%, Heavymetals (as Pb): NMT 0.0001% 57 Phosphorus standard solution (AAS std)- 1000 ppm: The expanded measurement uncertainty is ± 0.4 % (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 84L; With CRM certificate 58 Potassium chloride: Assay (KCl) NLT 99 %, pH-value (5%w/v; water): 5.5 to 8.5, Heavy metals (as Pb) NMT 0.002 % 59 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 % 60 Potassium dihydrogen orthophosphate: Assay (KH2PO4) ; NLT 99 %, pH-value (5% w/v; water) : 4.1 to 4.5, Loss on drying: NMT 0.2%, Insoluble matter: NMT 0.01 %, Heavy metals (as Pb) :NMT 0.001 % 61 Potassium hexacyanoferrate (II) (Potassium ferrocyanide) 62 Potassium hydrogen phthalate: Assay (C8H5KO4; dried basis ) : 99 %, pH-value (0.05M; water) : 4.00, Heavy metals (as Pb): 0.0004 %, 63 Potassium permanganate: Identity K: Conforms, MnO4: Conforms Assay (KMnO4) 99%, Sulfate(SO4) 0.01% 64 Potassium standard solution (AAS std) - 1000 ppm: Metrological traceability: Directly traceable to NISTSRM3141a, lot140813, Certified value as mass fraction 986mg/kg, Associated uncertainty, U= k·u(k=2) as mass fraction ± 5mg/kg. With CRM certificate 65 Potassium sulphate: Assay (K2SO4) : NLT 99 %, pH-value (5% w/v; water) : 5.5 to 8.5, Insoluble matter : NMT 0.01 %, Total nitrogen (N) : NMT 0.0005 %, Heavy metals (as Pb): NMT 0.0005 % 66 Silver sulphate: Assay (AgSO4 : argentometric); NLT 98 %, Substances insoluble : NMT 0.02 %, Nitrate (NO3): NMT 0.003 %, Iron (Fe) : NMT 0.001 %, Substances not precipitated : NMT 0.03 % 67 Sodium bicarbonate-P free: Assay (NaHCO3; acidimetric, calc.: 99.7 to 100.3, Phosphate (PO4): NMT 0.001%, Insoluble matter: NMT 0.015%, Heavy metals (as Pb): NMT 0.0005 %, Sulfur compounds (as SO4) : NMT 0.003 %, Ammonium (NH4) : NMT 0.0005 % 68 Sodium carbonate: Assay (Na2CO3; on dried sub.): NLT 99%, Total sulfur (asSO4): NMT 0.003 %, Heavy metals (as Pb) : NMT 0.0005 %, Loss on drying(285°C; 15 min.) :NMT 1 %, Insoluble matter:NMT 0.01 %, Silicate (as SiO2): NMT 0.005% 69 Assay (NaCl) NLT 99% 100.74%, pH-value (5%w/v; water) 5 to 96.17, Insoluble matter NMT 0.005 % - 0.002 % 70 Sodium fluoride: Assay (NaF) NLT 97% - 99.76%, Free acid (as HF) NMT 0.1% - 0.005 % 71 Sodium hexa meta phosphate: Assay (as P2O5)72.7%, Identity Na: Passes test P2O5: Passes test, Soluble Iron 0.1 % 72 Sodium hydroxide pellets: Assay (NaOH) NLT 99.6%, Nitrogen compounds (N) NMT 0.001% - 0.0004%, Heavymetals (as Pb) NMT 0.002% - 0.0006 % 73 Sodium molybdate: Assay (Na2MoO4. 2H2O) 99.5% to 100.3%, pH- value (1% w/v; water) 7 to 10.5 74 Sodium molybdate di-hydrate: Assay (Na2MoO4.2H2O) 100.1%, pH-value (1%w/v; water) 7.6 75 Standard Sulphate solution(AAS std)- 1000 ppm: Traceable to SRM from NIST Na2So4 in H2O with CRM certificate 76 Sodium thiosulphate pentahydrate: Assay (Na2S2O3.5H2O) NLT 98.5% - 100.32%, Test solution (10% w/v; water) The solution is clear and colourless. 77 ulfuric Acid-98% (Concentrated): Assay (H2SO4): 97.94 %, KmnO4 reducing substances (as SO2) NMT 0.0002 %, Residue on ignition (as sulfate) NMT 0.0005 % 78 Tin granules: Assay ≥ 99.5%, other foreign metals ≤ 0.1% 79 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 % 80 Triethanolamine Solution: Purity (GC) NLT: 99. %, Colour : NMT 10 HU,Sulphate (SO4) : NMT: 0.002%, Sulfate dash (600°C): NMT 0.005%, Water (KF): NMT 0.2% 81 Universal indicator: Clear, reddish-orangesolution 82 Zinc Granules (20-30 mesh): Acs reagent ≤ 99 .0% purity 83 Zinc standard solution (AAS std) - 1000 ppm: Metrological traceability: Directly traceable to NISTSRM3168a, lot120629, Certified value as mass fraction 984mg/kg, Associated uncertainty, U=k·u(k=2) as mass fraction ± 5mg/kg; With CRM Certificate 84 Zinc sulphate heptahydrate: Assay (ZnSO4.7H2O) 100%, pH-value (5%w/v;water): 4.9, Substances insoluble in water: 0.001%,Total nitrogen(N): 0.0004 %, 85 Glass Wares 86 Measuring cylinders, graduated, single metric scale, with pour out, with hexagonal base, Class A, with Certificate. (Borosilicate glass) 87 Measuring cylinders, graduated, single metric scale, with pour out, with hexagonal base, Class A, with Certificate. (Borosilicate glass) 88 Measuring cylinders, graduated, single metric scale, with pour out, with hexagonal base, Class A, with Certificate. (Borosilicate glass) 89 Measuring cylinders, graduated, single metric scale, with pour out, with hexagonal base, Class A, with Certificate. (Borosilicate glass) 90 Measuring cylinders ,graduated, single metric scale ,with pour out, with hexagonal base ,Class A, with Certificate.(Borosilicate glass) 91 Measuring cylinders, graduated, single metric scale, with pour out ,with hexagonal base, Class A, with Certificate. (Borosilicate glass) 92 Flasks, Erlenmeyer, conical, narrow mouth. (Borosilicate glass) 93 Flasks, Erlenmeyer, conical, narrow mouth. (Borosilicate glass) 94 Flasks, Erlenmeyer ,conical, narrow mouth.(Borosilicate glass) 95 Flasks ,Erlenmeyer, conical, narrow mouth.(Borosilicate glass) 96 Flasks, Volumetric ,with interchangeable solid glass stopper, accuracy as per Class A, with Certificate.(Borosilicate glass) 97 Flasks, Volumetric, with interchangeable solid glass stopper, accuracy as per Class A, with Certificate. (Borosilicate glass) 98 Flasks, Volumetric, with interchangeable solid glass stopper, accuracy as per Class A, with Certificate.(Borosilicate glass) 99 Flasks, Volumetric, with interchangeable solid glass stopper, accuracy as per Class A, with Certificate.(Borosilicate glass) 100 Flasks, Volumetric, with interchangeable solid glass stopper, accuracy as per Class A, with Certificate.(Borosilicate glass) 101 Beakers, griffin, low form, with spout.(Borosilicate glass) 102 Beakers, griffin ,low form, with spout.(Borosilicate glass) 103 Beakers, griffin, low form, with spout.(Borosilicate glass) 104 Beakers, griffin, low form, with spout.(Borosilicate glass) 105 Beakers, griffin, low form, with spout.(Borosilicate glass) 106 Burettes, boroflo, fitted with boroflo GP(general purpose),screw thread with PTFE keys, and accuracy as per ClassA of IS1997:2008 / EN ISO 385, with Certificate.(Borosilicate glass) With Certificate 107 Auto Burette, with Glass stopcock, Class A, with individual Calibration Certificate. Complies with IS1997/ ISO385. Supplied with Reservoir and rubber Bellow, with automatic zero facility. (Borosilicate glass) 108 Pipettes, Measuring (Mohr types), Class A, with works Certificate. (Borosilicate glass) 109 Pipettes, Measuring (Mohr types), Class A, with works Certificate. (Borosilicate glass) 110 Pipettes, Measuring (Mohr types), Class A, with works Certificate. (Borosilicate glass) 111 Pipettes, Measuring (Mohr types), Class A, with works Certificate. (Borosilicate glass) 112 Funnels,Plain,60°Angle,Short Stem.(Borosilicate glass) 113 Funnels,Plain,60°Angle,Short Stem.(Borosilicate glass) 114 Funnels,Plain,60°Angle,ShortStem.(Borosilicate glass) 115 Test Tube Graduatted Class A, accuracy, With I/C Glass Stopper,with Certificate. (Borosilicate glass) 116 Test tube without rimClass A, accuracy,(Borosilicate glass) 117 Glass rods 118 Glass cuvette (Quartz) 119 Reagent Bottle, Wide mouth, graduated with screw cap. (Borosilicate glass) 120 Reagent Bottle Narrow Mouth, graduated with screw cap, Amber.(Borosilicate glass) 121 Reagent Bottle Narrow Mouth, graduated with screw cap, Amber.(Borosilicate glass) 122 Plastic Wares and Other Laboratory Articles 123 Beaker with spout(Material-PP) 124 Beaker with spout(Material-PP) 125 Beaker with spout(Material-PP) 126 Volumetric Flask(Material-PP) 127 Volumetric Flask(Material-PP) 128 Measuring Cylinder graduated, with pour out.(Material-PP) 129 Measuring Cylinder graduated, with pour out.(Material-PP) 130 Funnels, Plain, 60°Angle, Short Stem. (Material-PP) 131 Funnels,Plain,60°Angle, Short Stem.(Material-PP) 132 Carboy with Stop Cock (Material-PP/LDPE) 133 Carboy with Stop Cock. (Material-PP/LDPE) 134 Carboy with Stop Cock. (Material-PP/LDPE) 135 Wash Bottle.(Material-PP) 136 Narrow mouth bottles (Material-PP) 137 Pipette Controller Bulbs 138 LDPE Plastic Wash Bottles 139 Burette Stand with double clamp 140 Plastic Tray 141 Filter Paper -1 (Packof500 Sheets) 142 Filter Paper -42 (Pack of 100 Sheets) 143 Tissue roll 144 1 mm sieve
