Latest phenylenediamine Tenders | Government phenylenediamine Tenders

Central Government/Public Sector

CTN :45182926

27 May, 2026 NA

Erode - Tamil Nadu

Tender For supply of one set of chemicals consist of 1. mercuric sulphate-500 gm, 2. sulphuric acid-80 ltrs, 3. silver sulphate-150 gm, 4. ferrous ammonium sulphate - 9000 gm, 5. ferroin indicator - 400 ml and 6. potassium dichromte-1000 gm as per enclosed specification [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]

CTN :45197635

04 Jun, 2026 NA

Ernakulam - Kerala

Tender For supply of 1 2 dichloroethane , boron trifluoride , ammonium thiocynate , chloroform , hydrochloric acid , carbon disulphide , methanol hplc , p toludine ar , petroleum ether 60 to 80 degree , diethyl ether , iodine monochloride , ferric ammonium sulphate , sodium chloride , potassium thiocyanate , tartaric acid , potassium chloride , potassium chromate , potassium hydroxide , potassium iodide , furfural , copper acetate ar , silver nitrate , sodium carbonate , sodium hydroxide , sulphuric acid , toluene rectified , amyl alcohol , basic fuschin , hexane hplc grade , sodium sulphate , sodium thiosulphate , tricresyl phosphate standard , lead chromate ar grade 100g , capsiacin , curcumin , piperine , sucrose , dextrose , linseed oil , argemone oil , mineral oil , kusum oil , karanj oil , neem oil , fame 37 standard , fame c 11 0 internal standard , castor oil , iso octane , copper metal strips , antimony trichloride , ferric chloride , ferrous sulphate , zinc oxide , sodium molybdate , hydrazine sulphate , potassium dihydrogen phosphate , sodium hypobromite , beaker capacity 250ml , beaker capacity 250 ml , burette 25ml , burette 50ml , conical flask 250 ml , conical flask 250 ml capacity , conical flask 500 ml capacity , bottle , cylinder graduated measuring , flask volumetric 50ml capacity , flask volumetric 25ml capacity , polenske flask 300ml capacity , haemocytometer , flat bottom flask 500ml capacity , test tube with stopper , volumetric flask 5 ml , bunsen burner , microscope , centrifuge machine , hot air oven , distill water plant , water bath , bath sonicator , top loading monopan balance digital weighing balance , tongs , pipette stand , rubber tubes for water circulation , silicon tubes for water circulation , tintometer cuvette , centrifuge tube 50 ml , nitrile gloves , syringe with needle 5ml capcacity , laboratory mask , vial amber colour , vaccumpet , pipette controller , glass droppers with rubber teat , head cover hair net , micropipette tip for 10 to 100 micrometer volume , silica crucible cap 50 ml //bid details 2 / 81

CTN :45198301

25 May, 2026 NA

Champaran - Bihar

Tender For supply of sulphuric acid (v2) conforming to is 266 (q3) , ammonium ferrous sulphate hexahydrate (q3)

CTN :45176469

23 May, 2026 NA

Kamrup - Assam

Tender For supply of plusglycerinplus erythritolpluselcarnatine with purite 0dot005percent , eye oint hydroxypropylmethylcellulose 0dot2percent , eye oint moxifloxacin 0dot5percent 3gm , tropicamide 0dot02percent phenylephrine 0dot1percent and lidocaine 1percent inj , hydroxypropyl methylcellulose 3mg plus corbomer 980 2dot2mg plus sodium terborate tetrahydrate 0dot28mg , anti d rho immunoglobulin human lyophilised freeze dried vial of 150 mcg , sachet saachromyces boulardii cncm i 745 250 mg , montelukast pluslevocetrizine syrup , syp mefinamic acid 100mg 5ml , ferrous sulphate 200 mg tab iron , vitamin d3 drops 1mlequal800iu , pancreatin enzyme 1000 unit cap , combipack of clarithromycin500mgpantoprazole 40mg and amoxicillin 750mgtablet , sofosbuvir plus velpatasavir 400 100 mg , tab zinc 50mg , polyethylene glycol 3350 plus isapghula husk powder pkt of 154dot8g , polyethlene glycol 17dot5 gm , tab 5 amino salicylic acid ph independent release 2gm , 5 amino salicylic acid 800 mg tab , tab prucalopride 2mg , tab pancreatin 6000 units , mesalamine rectal suspension enema 2gm , mesalamine suppositories 1gm , pancreatin minimicrosphere smart device 30 gm , tab vancomycin 250 mg , syp polyethylene glycol 13dot125gm plus sodium picusulphate 10mg plus sodium chloride 0dot3507gm plussodium bicarbonate 0dot1785gm pluspotassium chloride 0dot0466gm , lidocain topical aerosol 10 percent spray , l leucine 2760mg plus l isoleucine1920mg plusl valine 1656mg 10gm sachets , glutamine sachet , triple hydrocolloid skin barrier nano crystalline silver 0dot002percent in water soluble base and type i collagen nan cola gel 5 g , tab naproxen 500 plusdomperidone 10 , tab pramipexole 0dot5mg , aceclofenac 100mg plus paracetamol 325mg plus chlorzoxazone 250 mg tab , paracetamol 650mgplus caffine 50mg tab , paroxetine xr 25 mg tab , perampanel 2mg tab , pregabalin 75 mg plus methlycobalamin 750 mcg tab , pregablin 75mg plus methylcobalamine 500mcg tab , propranolol 10mg tab , rabeprazole 20 mg plus itopride 150 mg sr tab , risperidone 1 mg tab , ropinarole 1mg tab , serratiopeptidase 10 mg plus diclofenac potassium 50 mg plus paracetamol 500 mg tab , sertraline 100 mg tab , tadalafil 10 mg tab , betahistine 16 mg , trimethazidine hydrochloride mr 60 mg tab , trypsin 48mg plus bromelain 90mg plus rutoside 100mg tab , biotin 10 mg tab , ursodeoxycholic acid 300 mg tab , vit e 400 mg cap , vitamin d3 60000iu cap , 2 4 dichlorobenzyle alcohol 1dot2mg and amylmetacresol 0dot6mg lozenges cough lozenges , ambroxol 15mgplusdextromethorphan 10mgplusphenylephrine 5mg plus chlorpheniramine maleate 2mg plusmenthol 1dot5mg per 5ml bott of 100ml syp , biotin 10mg plus ca pantothionate100mg plus multivitamins plus minerals tab , carminative enzyme with liver corrective 250ml , diastase and pepsin digestive enzyme liquid bott of 200ml , diphenhydramine 14dot08mg plus ammonium chloride138mg plus sodium citrate57dot3mg 5ml bott of 150ml syp inj chorio-gonadotropin alpha 250mcg (recombinant hcg) equivalent to 6500iu, tab coenzyme q-10 300 mg, coenzyme q 10 300 mg + lycopene 4mg + omega 3 fatty acid 90 mg, tab dehydroepiandrosterone (microionised) (75mg) +coenzyme q10 (100mg), micronised progesterone 200mg vaginal pessary , sachet l arginine, methylcobalmine nasal spray 250 mcg/spray, glucagon inj (recombinant dna origin) ready to inject , insulin premix anlouge (lispro or aspart) premix 50% rapid acting 50%, diabetes specific nutrition supplement with fibrasaol which //bid details 2 / 64

Central Government And Public Sector

CTN :45120345

19 May, 2026 NA

Guwahati - Assam

Tender For supply of set of chemicals consisting of (mercury sulphate-500 gm, sulphuric acid-80 ltrs, silver sulphate-150 gm, ferrous ammonium sulphate-9000 gm, ferroin solution-400 ml, potassium dichromte-1000 gm). make/brand: merck/rankem/fisher/loba/sdfcl/fine/srl/qualigens [ warranty period: 12 months after the date of delivery ]

CTN :45114747

18 May, 2026 NA

Dimapur - Nagaland

Tender For supply of acid 12 percent tube of 50 gm , oint luliconazole tube of 30 gm , timolol maleate eye drops 0 point 5 percent bott of 5 ml , tobramycin 0 point 3 percent bott of 5 ml , eye drop tropicamide 1 percent with 5 percent phenylephrine , tropicamide eye solution 1 percent bott of 5 ml , atropine sulphate 1 percent w v bott of 3 ml , atropine sulphate oint 1 percent tube of 3 gm , dexamethasone 0 point 1 percent eye drop bott of 5 ml , dexamethasone sodium phosphate 1 percent and tobramycin 0 point 3 percent w w point tube of 3 point 5gm , bimatoprost 0 point 03 percent bott of 3ml , dorzolamide 2 percent plus timolol 0 point 5 percent bott of 5ml , olopatadine hydrochloride 0 point 1 percent ophthalmic soln bott of 5 ml , olopatadine 0 point 2 percent ophthalmic soln bott of 5 ml , proparacaine eye drops 0 point 5 percent bott of 5 ml , sodium chloride 0 point 65 percent w v nasal drops of 15 ml , tab betahistine dihydrochloride 8 mg , tab betahisdine 16 mg , tab cinnarizine 25 mg , tab prochlorperazine maleate 5mg , clotrimazole 1 percent w v ip plus lignocaine 2 percent w v ip ear drop bott of 10ml , chloramphenicol 5 percent w v clotrimazole 1 percent w v betamethasone 0 point 25 percent w v lignocaine hcl 2 percent w v in bott of 5 ml , nasal decongestant adult drops xylometazoline hcl 0 point 1 percent w v nasal drop bottle of 10 ml , para dichlorobenzene 2 percent w v benzocaine 2 point 7 percent w v chlorbutol 5 percent turpentine oil 15 percent w v bott of 10 ml clear wax , xylometazoline hcl 0 point 05 percent w v nasal solution for paed use bott of 10ml , inj caffiene citrate 20 mg ml 3ml , salmeterol 25 mcg plus fluticasone 125 mg mdi 120 doses , cefixime syp 50 mg 5ml bott of 30 ml , cetrizine syp 5mg 5ml bott of 60 ml , syp cypropheptadine hcl 2 mg 5ml bott of 100 ml , domperidone syp 1 mg ml bott of 30 ml , syp dicyclomine drops of 15 ml , syp azithromycin 200 mg per 15 ml , levo- salbutamol susp , syp cough linctus , metronidazole susp 200 mg 5ml bott of 60 ml , norflox syp 100mg 5ml bott of 30 ml , ondansetron syp 2 mg 5ml in bott of 30 ml , phenobarbitone syp 20 mg 5 ml bott of 60 ml , iron drops paediatric each ml contains ferrous fumarate containing 10 12 point 5 mg elemental iron folic acid 0 point 1 0 point 5 mg and vit b12 3 10 mcg bottle of 15 ml , prednisolone syp 5mg 5ml in bott of 30 ml , levo salbutamol syrup 1 mg 5ml bottle of 100 ml , natural surfactant 25 to 80mg ml inj , syrup calcium phosphate 80 mg 5 ml 200 ml bottle , eye drop ketorolac tromethamine 0 point 4 percent , inj lignocaine hydrochloride 4 percent topical bott of 30 ml , trypan blue 0 point 6 percent inj in vial of 1ml , mometasone nasal spray 50 mcg dose bott of 10 ml , syp diphenhydramine 10 15 mg per 5 ml and ammonium chloride 100 150 mg,sodium citrate 50 85 mg per 5 ml bottle of 100 ml cough , fluticasone propionate 50 mcg bp nasal spray , nasal spray beclomethasone dipropionate 50 mcg per dose metered dose 150 units , tab dispersable isoniazid 60 mg plus rifampicin 60 mg plus pyrazinamide 150 mg , dextrose monohydrate for oral use in pack of 500 gm with or without vitamins and minerals , amino acid preparation iv bott of 200 250 ml , hydroxy ethyl starch 6 percent soln bott of 500 ml , tpn for peripheral vein pack of 1000 2500 ml containing calories 600 k cal l amino acid 22 gms l nitrogen 3 point 5 gm l or more glucose 65 gm l lipid 20 gm l osmolarity not more than 900 milli osom l , levo salbutamol 50 mcg plus ipratropium 20 mcg metered dose inhaler 200 dose units , methyl prednisolone sodium succinate 0 point 5 gm inj , linezolid 2 mg ml 300 ml , syp //bid details 2 / 121 iron with vitamins each 5 ml containing ferrous fumarate 100mg folic acid ip 3mg and vit b12 10mcg 200 ml , tab methyl prednesolone 16mg , syp sucralfate 1000 mg 10 ml plus oxetacaine 10 mg 10ml bottle of 100 ml , etophylline bp 84 point 7 mg and theophylline ip 25 point 3 mg per ml 2 ml inj , theophylline anhydrous syrup 60 mg in 5 ml as 100ml bottle , i

State Government

CTN :45147300

26 May, 2026 NA

Jharsuguda - Odisha

Tender For supply of nitric acid 70 percent , dimethyl glyoxime 98 percent , ammonium nitrate ar garde , methyl red indicator , ammonium per sulphate , sulphuric acid ar or gr,qualigen , ortho-phosphoric acid 85 percent , pottassium permagnate , ferrous ammonium sulphate , boric acid crystal 99.5 percent , alpha benzoin oxime , cinchonine hydrochloride , silver nitrate pure , sodium diphenylamine redox indicator , potassium dichromate , mercuric chloride , fusion mixture , para-nitrophenol indicator , hydroxylamine hydrochloride , xylenol orange indicator , zinc acetate , glacial acetic acid , sodium fluoride , triethanolamine solution , di-ethylamine , p and r indicator , potassium sulphate , potassium periodate , thymolphthalein complexone , isopropyl alcohol ar or gr grade , magnesium perchlorate , soda lime , copper sulphate , ammonium chloride , oxalic acid gr , ammonium oxalate , potassium hydroxide pellets , potassium chloride gr , di-ammonium hydrogen phosphate , phenolpthalein indicator , ammonium acetate , sodium nitroprusside 98 percent , sodium hypochlorite laboratory grade , potassim iodide , phenol 500g , 1,5-diphenylcarbazide , sulfanilic acid azochromotrop , alizarin sodium mono sulfonate , hydranal tm coloumat oil honeywell , hydranal tm coloumat cg honeywell , trichloro acetic acid , toluene , ph buffer tables 4.0 pack each 10 , ph buffer tables 7.0 pack each 10 , ph buffer tables 9.2 pack each 10 , ansa1 amino2 napthol 4sulphonic acidar , hydrochloric acid ar or gr,qualigen , tartaric acid sodium salt dihydrate , hydrofluoric acid 48 percent , di sodium oxalate , ethanol absolute , sodium acetate trihydrate , glycerol , eriochrome black t c.i.14645 indicator , barium chloride dihydrate , sodium chloride , methyl orangec.i. 13025 indicator , sodium phosphate dibasic , sodium sulfate anhydrous , thorin octahydrate indicator , l-glutamic acid for biochemistry , zirconyl chloride , ferrozine reagent for iron , testchlor , sample collection bottlewide mouth , ferrous sulphatae, pure merck or gprbdh , potassium nitrate , calcium chloride, granular 0.2-1mm , whatman gmf filter sheets 20.3 x 25.4 cm , maximum minimum thermometer , copper testing kit

Central Government/Public Sector

CTN :45149325

03 Jun, 2026 NA

Koraput - Odisha

Tender For supply of injection piroxicam, strength: 40mg/2ml, packing: 2ml , injection tramadol, strength: 50mg/ml, packing: 2 ml , suspension ferrous sulphate/ ferric ammonium citrate, packing: 150-200 ml

Corporations/Associations/Others

CTN :45107063

14 May, 2026 11.86 Lacs

Tiptur - Karnataka

Tender For supply of necessary lab equipments and other items for water treatment plant laboratory of tiptur cmc - sample bottle wide mouth plastic/500ml, m1991ichromogenic coliform agar/500gm, ipa spary bottle/500ml, alluminium foil, microtips box for lab, head cap for lab, tds meter hand type, ph meter hand type, universal ph indicator solution/500ml, calcium carbonate /500gm, ammonia test kit for lab, nitrite test kit for lab, nitrate test kit for lab, chlorine test kit for lab, ethanol/500ml, potassium aluminium sulphate/500gm, cobalt chloride/100gm, surgical sprit/480ml, iso propyl alcohol/2.5ltr, potassium nitrate/500gm, fluoride test kit for lab, patton and readers reagent/5gm, edta n/50 solution/500ml, bromocresol green solution/125ml, mixed indicator/500ml, hydrazine sulphate/100gm, hexamine/500gm, sodium thiosulphate/ 500gm, residual chloride, tongs 8 inch, spatul 8 inch s s, spatul 6inch s s, measuring cylinder plastic/1000ml, measuring cylinder glass/1000ml, tissue roll for lab, glass rod 10 inch, measuring jug plastic/1000ml, measuring jug plastic/500ml, measuring jug plastic/250ml, test tube stand 12 holes/25mm, test tube stand 12holes/18mm, test tube stand 6 holes/15mm, reagent bottle transparent/125ml, test tube stand plastic, test tube 25x150mm, test tube 18x150mm, test tube 15x125mm, test tube 12x100mm, glass beads/500gm, plastic beaker/1000ml, plastic beaker/500ml, plastic beaker/250ml, plastic beaker/100ml, plastic beaker/50ml, amber reagent bottle/500ml, amber reagent bottle/250ml, wide mouth bottle/1000ml, volumetric pipette /50ml, volumetric pipette /25ml, graduated pipette /25ml, measuring cylinder glass/250ml, conductivity meter, digital thermometer, ph electrode, micropipette 100-1000ul/1ml, heating mantle/1000ml, memberane filter paper 0.45, ordinary filter paper, digital colony counter, digital water bath 12 holes, auto clave 98 litre capacity vertical double wall radial locking syatem, low water cutoff, digital microprocessor, vaccume pump, laminor air flow 2x2x2, turbidity meter, visible spectrophotometer, ss auto clave -10ltr, student microscope, aeration pump, filter assembly, jar test apparatus, magnestic sterrier with hot plate, weighing balance (1mg to 300gm lc 0.001g), bod incubator 27â°c, hot air oven 14x14x14, digital ph meter, sulphate method (2) spectrophotometer method - sodium acetate ar/500gm, sulphate method (2) spectrophotometer method - magnesium chloride ar/500gm, nitrate method (1) uv spectrophotometer screening method - phottassium nitrate a/500gm, fluoride method (3) spadns photometric method - conc. hydrochloric acid ar/500ml, fluoride method (3) spadns photometric method - sodium arsenite ar/100gm, fluoride method (3) spadns photometric method - zirconium oxy chloride octahydrate ar/100gm, fluoride method (3) spadns photometric method - spadns reagent ar/25gm, fluoride method (3) spadns photometric method - sodium fluride ar/500gm, fluoride method (3) spadns photometric method - silver sulphate ar/25gm, iron method (1) 1-10 phenanthroline method -pottassium permanganate ar/500gm, iron method (1) 1-10 phenanthroline method -ferrous ammonium sulphate ar/500gm, iron method (1) 1-10 phenanthroline method -sodium acetate ar/500gm, iron method (1) 1-10 phenanthroline method -hydroxylamine hydrochloride ar /500gm, iron method (1) 1-10 phenanthroline method -1,10,phenanthroline monohydrate ar /5gm, iron method (1) 1-10 phenanthroline method -glacial acetic acid ar/500ml, iron method (1) 1-10 phenanthroline method - ammonium acetate ar /500gm, chloride - sodium chloride ar/500gm, chloride - silver nitrate ar/25gm, chloride - pottassium chromate ar/500gm, calcium hardness - sodium sulphate ar/500gm, calcium hardness - calconcarboxylic acid ar/25gm, total hardness - edta ar/500gm, total hardness - eriochrome black t ar /25gm, total alkanity - sulphuric acid ar/500ml, total alkanity - sodium carbonate ar/500gm, total alkanity - methyl orange indicatorr (125ml), total alkanity - phenolphthalein indi

CTN :43322478

08 May, 2026 NA

Dehradune - Uttarakhand

Tender For bid to ras bid to ras bid to ras bid to ras bid to ras bid to ras supply of citrate 50mcgml 2 ml inj , fentanyl 50mcgml 10 ml inj , tramadol hcl 50mgml inj 1ml amp , febuxostat 40mg tab , suspension syp fexofenadine 30mg5ml 60ml bott , dexamethasone sodium phosphate 4.4 mg , pheniramine maleate inj 22.75 mgml amp of 2 ml , nor adrenaline bitartrate 2mgml 2ml inj , lorazepam 2 mgml 2 ml inj , sodium valproate oral solution 200mg 5ml bott of 100 ml , sodium valproate 200mg tab , budesunide 1 mg respules , ivermectin tab 6mg , fluconazole 150 mg captab , itraconazole 100 mg cap , metronidazole 400 mgtab , ondansetron 2mgml 4ml inj , ondansetron 8mg tab , glyceryl trinitrate cr 2.6mg , adenosine 3mg ml 2ml inj , amiodarone hcl 150 mg 3 ml inj , atorvastatin 10 mg tab , metoprolol 1 mgml 5 ml inj , digoxin 0.5 mg 2 ml inj , vasopressin 20 units ml inj 1ml ampoule , dopamine hcl 40mg ml 5 ml inj , clopidogrel 75mg tab , enoxaparin 20 mg 0.2 ml inj , enoxaparin 40mg 0.4 ml inj , enoxaparin 60 mg0.6ml inj , labetalol hcl 5mgml 4ml inj , adapalene 0.1per tube of 15gm , benzoyl peroxide 2.5 tube of 20 gm , clotrimazole pulv 1 per bott of 75gm , 2propanol 45 gm 1propanol 30 gm ethyl hexadecyl dimethyl ammonium ethyl , 10 povidone iodine solution u.s.p equivalent to 1 available iodine 500 ml bott , sacubitril 49mg valsartan 51mg tab , frusemide 20 mg, 2 ml inj , terlipressin 1 mg 10 ml diluent or 10mgml 10 ml vial amp , antispasmodic tab containing mefanamic acid 250mg dicyclomine hcl 10mg , tab tenofovir 300mg , tab entacavir 0.5mg , omeprazole 20 mg cap , metoclopramide syrup 5mg 5ml bott of 30ml , dicyclomine hcl 20 mg inj , enema sodium phosphate 6 sodium acid phosphate 16, pack of 100 ml , magnesium sulphate 50 w v inj , atracurium 10 mg ml, 2.5 ml inj , glycopyrrolate 0.2 mg ml, 1 ml inj , neostigmine 0.5 mg, 1 ml inj , midazolam nasal spray 0.5 mg spray 5 ml bottle , domperidone syp 1 mg ml bott of 30 ml , norflox syp 100mg 5ml bott of 30 ml , ondansetron syp 2mg 5ml in bott of 30 ml , iron drops paediatric each ml contains ferrous fumarate , lorazepam 1 mg tab , clonazepam 0.25 mg tab , risperidone 2mg tab , acamprosate 333 mg tab , zolpidem 10 mg tab , ipratropium bromide respirator soln 500 mcg 2 ml respule , levo salbutamol aerosol pack of 200 md each metered dose supplies 50mcg of levo labutamol , levo salbutamol sulphate 2.5ml containing 1.25mg respule , bromhexine syp 5 ml containing 4 mg of bromhexine hcl, bottle of 100 ml , cough expectorant syp, 5 ml, containing diphenhydramine , cough sedative syp, each 5 ml containing chlorpheniramine 100 ml , syrup codeine phosphate 10mg chlorphenaramine maleate 4mg per 5ml bott of 100ml , syrup terbutaline sulphate 1 point 25mg 5ml bottle of 100ml , dextrose 50, 25 ml inj , povidone iodine 10 solution, bott of 100 ml , sildenafil citrate 50mg tab , aceclofenac 100 mg, paracetamol 500 mg tab , mefenemic acid 500 mg tab , flunarizine 10 mg tab , inj amikacin ip 100 mg2 ml vial , ceftriaxone 1000 mg sulbactum 500 mg inj vial , povidine iodine 2 gargles, 100 ml bott , povidone iodine solution 5 bottle of 100 ml , omeprazole 20 mg, domperidone 10 mg cap , pantaprazole 40 mg domperidone 10 mg sustained release tab , flurbiprofen sodium ophthalmic soln 0.03 percent vial of 5 ml , syp diphenhydramine 10 15 mg per 5 ml bottle of 100 ml , clotrimazole 1 per wv ip lignocaine 2 per ip ear drop bott of 10 ml , syp dicyclomine drops of 15 ml , clonazepam 0.5 mg tab , duloxetine 20 mg tab , cough syrup each 5 ml contains chlorpheniramine maleate ip 3 mg, bott of 110 ml , cough lozenges , inj azithromycin 500 mg , inj doxycycline //bid details 2 / 103 100 mg , dolutegravir 50 mg tab , oseltamivir 75 mg cap , inj thiamine 100 mg ml, 2 ml amp

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