Latest concentrate reagent Tenders | Government concentrate reagent Tenders

Co-operative

CTN :43516721

19 Jan, 2026 24.8 Thousand

Mehsana - Gujarat

Tender For supply of reagent bottle

Central Government And Public Sector

CTN :43521996

30 Jan, 2026 NA

Kota - Rajasthan

Tender For tender for supply of lab chemicals and glasswares d d - ph 4 buffer solution (ar grade) , ph 7 buffer solution (ar grade) , ph 10 buffer solution (ar grade) , pottasium chloride (ar grade) , hydrazine sulphate (ar grade) , hexamethylene tetramine (ar grade) , sodium thiosulphate (hypo) (ar grade) , manganous sulfate (ar grade) , sulphuric acid (ar grade) , sodium hydroixe (ar grade) , potassium iodide (ar grade) , sodium azide (ar grade) , starch (ar grade) , potassium dichromate (ar grade) , ferric chloride (ar grade) , calcium chloride (anhydrous) (ar grade) , disodium hydrogen phosphate (ar grade) , monopotassium phosphate (kh2po4)(ar grade) , dipotassium phosphate (ar grade) , magnesium sulphate (mgso4.7h2o) (ar grade) , ferrous ammonium sulphate , ferroin indicator (ar grade) , sodium carbonate (ar grade) , phenolphthalein indicator (ar grade) , methyl orange / bromocreso l green indicator (ar grade) , potassium chromate (ar grade) , sodium chloride (ar grade) , sulfanil amide (ar grade) , sodium nitrite (ar grade) , chloroform (ar grade) , phosphoric acid (ar grade) , n (1 naphthyl) ethylenediamine dihydrochloride (ar grade) , sodium oxalate (ar grade) , potassium permanganate (ar grade) , sodium hydroxide (ar grade) , ammonium chloride (ar grade) , sulfamic acid (ar grade) , boric acid h3bo3 (ar grade) , sodium fluoride (ar grade) , cdta (ar grade) , glacial acetic acid (ar grade) , potassium antimonyl tartrate (ar grade) , ammonium molybdate (ar grade) , ascorbic acid (ar grade) , pottasium dihudrogen phospate (anhydrous) (ar grade) , magnesium chloride (ar grade) , sodium acetate (ar grade) , sodium sulphate (anhydrous) (ar grade) , potassium nitrate acetic acid (ar grade) , acetic acid (ar grade) , barium chloride crystals (ar grade) , edta disodium salt (ar grade) , hydrochloric acid (ar grade) , murexide (ar grade) , eriochrome black t indicator (ar grade) , ammonium hydroxide (ar grade) , calcium carbonate (anhydrous) (ar grade) , magnesium salt of edta (ar grade) , methyl red indicator (ar grade) , oxalic acid (ar grade) , curcumin (ar grade) , ethanol (ar grade) , filter paper whatman no. 41 , thermometer (nabl certified) , 50 ml glass burette (borosil) , 100 ml pipette (borosil) , 50 ml pipette (borosil) , 25 ml pipette (borosil) , 10ml pipette (borosil) , 5ml pipette (borosil) , 2ml pipette (borosil) , 1ml pipette (borosil) , pipette bulb (small size) (borosil) , pipette bulb (small size) (borosil) , spatula (borosil) , 25 ml volumetric flask (borosil) , 50 ml volumetric flask (borosil) , 100ml volumetric flask (borosil) , 250ml volumetric flask (borosil) , 500ml volumetric flask (borosil) , 1000ml volumetric flask (borosil) , 100 ml conical flask (borosil) , 250 ml conical flask (borosil) , 75 mm funnel (borosil) , 1000ml beaker (borosil) , 500ml beaker (borosil) , 250ml beaker (borosil) , 100ml beaker (borosil) , 50ml beaker (borosil) , 25ml beaker(borosil) , 100ml reagent bottle (borosil) , 250ml reagent bottle (borosil) , 500ml reagent bottle (borosil) , 1000ml reagent bottle (borosil) , 1000ml measuring cylinder (borosil) , 500ml measuring cylinder (borosil) , 100ml measuring cylinder (borosil) , 50ml measuring cylinder (borosil) , 25ml measuring cylinder (borosil) , 100ml evaporating dish (borosil) , 300ml bod bottle (borosil) , 500ml wash bottle (borosil) , magnetic beads (borosil) , pipette stands and clamps(borosil) , watch glass (borosil) , desiccator (borosil) , vaccum pump (borosil)

CTN :43530031

22 Jan, 2026 NA

Nagpur - Maharashtra

Tender For supply of paper filter square greens no 795 51 cm x 51 cm pkt of 100 , alcohol dehydrated , kits for estimation of cholesterol , kits for estimation of creatinine , kits for estimation of alkaline phosphatase , kits for estimation of sgot ast , kits for estimation of sgpt alt , sodium hypochlorite solution 10 percentage , kit for triglyceride estimation 100 ml , kit for estimation of bilirubin , kit for estimation of ggt gamma glutamyl transaminase 12 x 5 ml , pt reagent kit of 25 tests , aso titer test kit 50 tests , g 6 pd kit kit of 12 tests , ra factor test kit 25 tests latex agglutination method , kit for estimation of vdrl rpr 100 tests , kit for estimation of amylase 12 x 5 ml , rapid card screening for hcv , swab stick with container , adjustable arm pouch sling lms , ankle brace , ankle support , ankle wrap l , ankle wrap xl , arm sling pouch , elastic knee support , elastic shoulder immobiliser , heel cup silicon or carbon copolymer , knee immobiliser , tennis elbow support , thumb spica splint , wrist hand resting splint cone , electrocardiograph paste jelly bottle of 250 ml , ecg electrodes disposable , adult diper all size pkt of 10 , codefree glucose strip , pediatric drip , clavicle brace small medium large , pad abdominal swab 40 x 25 cm with tape 30 cm , suspensory scrotal , skin stapler with 35 stainless steel staples , abdominal binder 10 , cevical collarhard , cervical collar soft , comfort back support , walker universal , stick tetrapod , wrist and fore arm splint , bandage t shaped , kits for estimation of urea , wintrobes tube disposable , tsh test kit 25 test finecare , hb a 1 c 25 test finecare , suction catheter size 10 , u drain male incontinence device made of soft light weight latex sheath size large 35 mm , u drain male incontinence device made of soft light weight latex sheath size medium 30 mm , yankur suction , urometer , tab silodosing 8 mg , tab vildagliptin 50 mg , sitagliptin 50 mg plus metformin 1000 mg tab , disodium hydrogen syp , foleyscatheter size 14 , foleyscatheter size 12 , pressure monitoring line 100 cm 200 cm male female , naso gastric tube adult 100 cm long 8 g //bid details2 / 49

CTN :43530196

20 Jan, 2026 NA

Jodhpur - Rajasthan

Tender For supply of low form beaker with spout 500ml pack size 40 nos , low form beaker with spout 250ml pack size 40 nos , low form beaker with spout 100ml pack size 40 nos , low form beaker with spout 50 ml pack size 60 nos , low form beaker with spout 25ml pack size 60 nos , low form beaker with spout 10ml pack size 20 nos , low form beaker with spout 5000ml pack size 4 nos , low form beaker with spout 2000ml pack size 6 nos , low form beaker with spout 1000ml pack size 20 nos , crystallizing dishes 100x50mm 330 ml pack size 10 nos , crystallizing dishes 150x75mm 1150ml pack size 10 nos , crystallizing dishes 190x100mm 2500ml pack size 4 nos , reagent bottles narrow mouth with scew cap 50ml pack size 20 , reagent bottles narrow mouth with scew cap 100ml pack size 10 , reagent bottles narrow mouth with scew cap 250ml pack size 10 , reagent bottles wide mouth with scew cap square 500ml pack size 10 , reagent bottles wide mouth with scew cap square 1000ml pack size 10 , cylinder class b hexagonal base pour out 5ml pack size 5 nos , cylinder class b hexagonal base pour out 10 ml pack size 5 nos , cylinder class b hexagonal base pour out 50 ml pack size 20 nos , cylinder class b hexagonal base pour out 100 ml pack size 20 nos , storage vial self standing pp with hdpe closure 5ml non sterile pack size 250 nos , erlenmeyer conical flask narrow mouth with rim 250 ml pack size 40 nos , erlenmeyer conical flask narrow mouth with rim 500 ml pack size 40 nos , erlenmeyer conical flask narrow mouth with rim 1000 ml pack size 20 nos , glass stirrer rod 7x205mm pack size 20 nos , glass stirrer rod 9x205mm pack size 20 nos , spatula one end flat and one end spoon 6 inch pack size 50 nos , spatula one end flat and one end spoon 8 inch pack size 50 nos , spatula one end flat and one end spoon 12inch pack size 50 nos , beaker tong 10 inch pack size 6 nos , beaker tong 12 inch pack size 6 nos , flask tong 10 inch pack size 6 nos , flask tong 12 inch pack size 6 nos , quartz low form beaker with spout 250 ml , bottle tope dispenser 5 to 50 ml with recirculation , glass dryer nos of pegs 21 16mm 8 nos 10mm 8 nos 7mm 5 nos drying powder 650w voltage 240v

State Government

CTN :43539601

19 Jan, 2026 1.81 Lacs

Kheda - Gujarat

Tender For supply of pvc ware, metalware and miscellaneous items - pipette pump polylab-25 ml , pipette pump polylab-10 ml , pvc narrow mouth reagent bottle 1000 ml , pvc narrow mouth reagent bottle 250 ml , pvc narrow mouth reagent bottle 500 ml , pvc wash bottle 1000 ml , pvc wash bottle 500 ml , pvc wide mouth reagent bottle 1000 ml , pvc wide mouth reagent bottle 250 ml , pvc wide mouth reagent bottle 500 ml , pvc dropping bottle 60 ml , pvc reagent bottle(wide mouth) 125 ml to collect sample. , pvc narrow mouth reagent bottle 125 ml , pvc carboys 10 lit , pipettes stand verticle , pipettes stand horizontal , pvc beaker 1000 ml , pvc beaker 250 ml , pvc beaker 500 ml , pvc beaker 100 ml , pvc beaker 2000 ml , pvc beaker with handle2000 ml , pvc beaker 50 ml , pvc measuring cylinder 1000 ml , pvc measuring cylinder 50 ml , pvc measuring cylinder 500 ml , pvc measuring cylinder 100 ml , pvc rode. lenght . 10 12 inch. , pvc megnetic stirrer. , pvc funnel 7.5 cm , pvc funnel dia 100 mm. , pvc funnel dia 150 mm , pvc bucket 12 lit , pvc buckets-15ltr , p.v.c. tray 10x12 , metal pinch clip - , test sieves 150 micron , test sieves 212 micron , test sieves 300 micron , test sieves 75 micron , test sieves 850 micron , test sieves 0.212 mm , test sieves 1.0 mm , test sieves 2.80 mm , test sieves 10 mm , sieve size 31.5mm , sieve size 3.15mm , sieve size 0.5mm , pvc orsat rubber below - , suck up rubber ball for 25 ml pippet , pipette rubber bulb for sucking. 5cc. , pipette rubber bulb for sucking. 10cc. , ordinary filter paper size 55 x 45 cm. , tissue paper (jumbo) , metal spatulla (ss) 8" long , metal spatulla (ss) 6" long , silicon vacuum grease. , lid and receiver for sieve analsis

CTN :43540223

21 Jan, 2026 NA

Delhi - Delhi

Tender For annual rate contract for supply of medical, surgical and lab items 2-0 chromic/catgut (r/b) , 2-0 silk (cutting) , 3-0 silk (cutting) , 4/5 jelly , albumin 5x50 ml , alcohol swabs sara , alkaline phosphate , aso kit , b.p. monitor , bandage 3 , bandage 4 , bandage 6 , betadine liquid , betadine ointment 250 gm , betadine solution , betadine solution ip 05% (500 ml) , bilirubin (total & direct) 4x60 ml , bottle ts , calcium kit , cap , capillary tube b.t.c.t. , capillary tubes , carbogen 50 test , catgut 3-0 plain , cholesterol , cholestrol 5x20 ml , cleaner hem analyser , 500 ml , combistix , container urine , container urine culture , container urine routine , cotton roll , creatinine 2x50 ml , crp kit , cyto brush , dengue kit , dextrose 5% (500 ml) , diluent hem analyser 20 ltrs. , disposable cap , disposable sheet , distilled water 5 ltrs. , dns (500 ml) , easy pick sampler (hope) axiom , eusol 400 ml , examination gloves , examination powder free surgicare 1*pcs m , face mask 3 ply loop , foley catheter 2 way- 14 no. , foley catheter 2 way- 16 no. , foley catheter 3 way , gauze cloth , glass slides pic-1 , glass tube (std.) 12x75 , glucometer (with strip) , glucose reagent 2*200 ml , glucostrip , handrub 500 ml , hansaplast round strip , hba1c (card) , hcv kit , hdl , hepacard (hbsag) , hiv tridot , hot water bag , hydrogen peroxide 400 ml , hypo needle 24 gauge , hypoclorite 5% , infant feeding tube , insulin syringe 1ml 40 u , iv set , leishman stain , liquiplastin 5 ml , lox 2% gelly , lyse hem analyzer 500 ml , lysercell wnr 4 l , m serology kit , micro tips (blue) , micro tips (yellow) , micro tips 2-200 ul , micro tips tarsons 200-1000 ul , microgen d-256 (redefining hygiene) , micropipette fixed 10 ul , micropipette fixed 500 ul , micropipette variable , 05 to 100 ul , micropipette variable , 200 ul to 1000 ul , micropore 2 , micropore 3 , nebulizer , needle 16 no. , needle 18 no. , needle 22 gauge , no. 1 silk (5062) , normal sline 100 ml , normal sline 500 ml , ns1 antigen kit , o2 mask adult , o2 mask paediatric , ozocheck easy touch meter strip , paper roll , plastic bottle 100 ml , plastic bottle 200 ml , plastic bottle 500 ml , plastic bulb , plastic dibbi 100 gm , plastic dibbi 60 gm , pregcon hcg card , pregnancy test , proteins , raf-rhelax , ringer lactate (500 ml) , safety cannula 20 , sanitizer liquid , savlon 1 ltr. jnj , sgot , shoe cover (plastic) , slide box (glass) , slide microscopic , soframycine-30 gm. , spirit , steamer , suction catheter , surgical blade 10 , surgical blade 11 , surgical blade 20 , surgical gloves , surgical gloves powder free , syphilis card , syringe 10 ml. dispovan , syringe 2 ml. dispovan , syringe 5 ml. dispovan , syringe 50 ml. dispovan , syringe without needle 50 ml , test tube borosilicate , thermometer digital , total protein , tourniquet , triglyceride (siemens) , typhi dot kit , urea (bun) 2*50 ml , uric acid , uric acid 5x20 ml erba , urine culture container , uristix (siemens) , uro bag , vaccutainer citrate , (pt sample) , vacutainer 2 ml (sodium fluoride) , vacutainer black (3 ml) , vacutainer blue (3 ml) , vacutainer gray (3ml) , vacutainer leur adapter , vacutainer purple (3 ml) , vacutainer red (3 ml) , vicryl rapid 4.0 , wb diluting fluid , widal 4.5 ml , wooden spatula , cleaner hem analyser , diluent hem analyser , lyse hem analyser , sgpt kit , pm kit chem-7 , pm kit-5x , hdl direct kit , analyse kit , needle holder , vaccum needle , dextrose 10% , inj.xylocaine , needle no. 26 , tincture benzoin , ecg roll , ecg gel , sterile adhesive bandage , phosphorus kit

Central Government/Public Sector

CTN :43521676

30 Jan, 2026 NA

Bhimtal - Uttarakhand

Tender For supply of sgnrha , cgnrhiia darg6 pro9 nhet , pcineomammalian expression vector , hislink protein purification resin , whole genome sequencing , trizol reagent , high capacity cdna reverse transcription kit , rnase a dnase and proteasefree , sybr safe dna gel stain , wgs sequencing , whole genome sequencing , cf gnrh ia , cf gnrh iia , bench top 1kb dna ladder , bench top 100bp dna ladder , bench top pcr marker , gotaq g2 dna polymerase 5 ul , dntp mix 10mm each , water nuclease free molecular biology grade , blueorange loading dye 6x , superscript iii reverse transcriptase 50 reactionskit , trizol reagent 200 ml bottle , primer 50 , sheep blood agar plate , primescript 1st strand cdna synthesis kit temperature sensitive 20c , tb green premix ex taq ii temperature sensitive 20c , 100 bp dna ladder temperature sensitive 20c , 1 kb dna ladder temperature sensitive 20c

CTN :43521881

24 Jan, 2026 NA

Multi City - Multi State

Tender For supply of ethanol absoulate 99 per cent , formaldehyde 37 to 40per cent , hydrochloric acid 1n , potassium permanganate , potato dextrose agar , sodium hydroxide n 0.1 , nutrient agar , non absorbent cotton , sodium nitrate , potassium phosphate , magnesium sulphate , potassium chloride kcl , carboxymethyl cellulose cmc , sucrose , starch soluble , gelatin , ammonium sulphate , skim milk powder , tributyrin , tannic acid , lignin azure , citrus pectin , guaiacol , abts 2 2azinobis 3ethylbenzothiazoline6sulfonic acid , tris-hcl buffer ph 8.0 , sodium citrate buffer 50 mm, ph 4.8 , sodium acetate buffer 100 mm, ph 5.0 , phosphate buffer 50 mm ph 6.9 to 7.5 , actinomycete isolation agar aia , 3,5-dinitrosalicylic acid dns , phenol , sodium sulfite , sodium hydroxide naoh , rochelle salt potassium sodium tartrate , triton x-100 , glucose , galacturonic acid , maltose , tyrosine , p-nitrophenol , congo red 1 per cent , sodium chloride 1 m , ethidium bromide , agarose , sodium carbonate , trichloroacetic acid , commercial folin ciocalteu reagent , n nitrophenyl palmitate pnpp , tae buffer , formaldehyde balls , nitric acid conc. , perchloric acid , hydrogen peroxide , 1,10 phenanthroline solution , ammonium acetate solution , ferric standard solution , zincon reagent , ph buffer 9.0 , zinc standard solution , ocpc reagent , alkaline reagent , calcium standard solution , titan reagent , ammonia buffer , magnesium standard solution , ammonium molybdate , ammonium vanadate , phosphate standard solution , sodium cobaltinitrite , acetic acid , potassium standard solution , potassium periodate reagent , manganese standard solution , neocuproine reagent , copper standard solution , dpph , methanol , bovine serum albumin bsa , sodium potassium tartrate , folin ciocalteu reagent , beaker low form , measuring cylinder class b , glass rod j shape , test tube , glass slide , cover slip , conical flask n by n , glass stirrer rod j shape , glass liquid funnel , volumetric flask class a i by c stopper 12 by 21 , volumetric flask class a i by c stopper 14 by 23 , volumetric flask class a i by c stopper 14 by 24 , volumetric flask class a ibyc stopper 19 by 26 , volumetric flask class a i by c stopper 24 by 29 , watch glass , reagent bottle screw cap gl 45 , separating funnel with ptfe stopcock , round bottom flask single neck b19 , round bottom flask single neck b20 , round bottom flask single neck b21 , micro pipette variable , parafarrin tapes , sterile iron spreader , ph meter strips , petri plates fiber , petri plates glass

corporations/Associations/Others

CTN :43521513

31 Jan, 2026 NA

Multi City - Multi State

Tender For supply of ds diluent 20 l , probe cleanser 50 ml , lh lyse 01 box 04 bottle 1 litre , ln lyse 01 box 04 bottle 1 litre , fr dye 01 box 04 dye pouch , bc 6 d control kit h l n , erba hba1c with calibrator kit , erba hba1c control high , erba hba1c control low , erba lipase system pack , ise module reagent pack , aso crp rf kit control high , aso crp rf kit control low , analyzer cup 1 pack 500 pcs , erba ldl system pack , erba triglyceride system pack , erba bilirubin total system pack , erba bilirubin direct system pack , erba creatinine enzymatic system pack , erba norm system pack , erba path system pack , rapid pap stain kit , leishman stain 500 ml bottle , sodium hypochlorite 5 percent 500 ml , carbol fuchsin stain zn stain 125 ml , lugol iodine 125 ml bottle , semen diluting fluid 125 ml bottle , widal test kit oh , blood group reagent a b d , occult blood kit card method

corporations/Associations/Others

CTN :43472118

14 Jan, 2026 9.96 Lacs

Chandigarh - Chandigarh

Tender For supply of various chemicals/reagents alongwith standard solution (for calibration purpose) required for conducting day to day basis water samples at mc ph laboratory at water works, sector 39, chandigarh (ch. to. revenue head). - supplying of various chemicals & reagents alongwith standard solution (for calibration purpose) required for conducting day to day basis water samples at mc ph laboratory at water works, sector-39, chandigarh which is as under:-, turbidity 1000 ntu calibration standard - formazin (1 ltr. bottle) make: merck/sigma aldrich/hach, potassium chromate emparta (500gm packing) make: merck/sigma aldrich/hach, hydroxylammonium chloride emparta (100 gm packing) make: merck/sigma aldrich/hach, ethanol 99.9% acs reagent ph eur (500 ml bottle) make: merck/sigma aldrich/hach, methyl red indicator (25 gm packing) make: merck/ sigma aldrich/ hach, silver nitrate emparta acs (25 gm packing) make: merck/ sigma aldrich/ hach, hydrogen peroxide solution 30% ar (500 ml bottle) make: merck/sigma aldrich/hach, ammonium hydroxide (2.5 ltr. bottle) make: merck/ sigma aldrich/ hach, aluminium hydroxide hydrate (100 gm packing) make: merck/ sigma aldrich/ hach, sodium hydroxide pellets emparta acs (500 gm packing) make: merck/sigma aldrich/hach, aluminium reagent set, powder pillows, 0.008-0.800mg/l al (100 packing) make: merck/sigma aldrich/hach, hydrochloric acid standard solution, 6.0 n (1:1), 500 ml (500 ml bottle) make: merck/ sigma aldrich/ hach, aluminium standard solution, 10 mg/l, 100 ml (100 ml bottle) make: merck/sigma aldrich/hach, manganese reagent set, pan, 0.006- 0.700mg/l mn (50 packing) make: merck/sigma aldrich/hach, manganese standard solution, 10 mg/l as mn (nist), pk/20 - 2 ml pourrite ampules (20 packing) make: merck/sigma aldrich/hach, molybdenum reagent set, lr, 20ml (100 test pack) make: merck/sigma aldrich/hach, molybdenum standard solution, 10 mg/l as mo (nist), 100 ml (100 ml bottle) make: merck/sigma aldrich/hach, silver reagent set, powder pillows, 0.02- 0.700 mg/l ag (50 test packing) make: merck/ sigma aldrich/ hach, silver standard solution (100 ml bottle) make: merck/ sigma aldrich/ hach, zinc reagent set, 0.01-2.00mg/l zn (100 test packing) make: merck/sigma aldrich/hach, zinc standard solution, 25 mg/l as zn (nist), pk/16 - 10 ml voluette ampules (16/pk packing) make: merck/ sigma aldrich/ hach, cuver 1 copper reagent powder pillows, 0.04-5.00mg/l cu, pk/100 (100/pk packing) make: merck/sigma aldrich /hach, copper standard solution, 100 mg/l as (100 ml bottle) make: merck/sigma aldrich/hach, iron reagent powder pillows, 0.02-3.00 mg/l fe (100 packing) make: merck/sigma aldrich/hach, iron standard solution, 25 mg/l as fe (nist), pk/16 - 10 ml voluette ampules (16 packing) make: merck/ sigma aldrich/ hach, sodium carbonate anhydrous (na2co3) (500 gm packing) make: merck/sigma aldrich/hach, sodium hydrogen anhydrous (nahco3) (500 gm packing) make: merck/sigma aldrich/hach, sulfuric acid (h2so4) 98% (2.5 ltr. bottle) make: merck/sigma aldrich/hach, standard sigma aldrich multielement ion (50 ml packing) make: merck/sigma aldrich/hach, chlorine kit (100 pack) make: merck/sigma aldrich/hach, stablcal verification ampule, 10 ntu (10 ml pack) make: merck/sigma aldrich/hach, stablcal stabilised formazine turbidity standard, 100 ntu (100 ml bottle) make: merck/sigma aldrich/hach, sodium chloride vol std (80 gm pack) make: merck/ sigma aldrich/ hach, total hardness tablet (100 tablet) make: merck/sigma aldrich/hach, nessler reagent (100 ml bottle) make: merck/sigma aldrich/hach, burette bulb rubber, hand gloves 18 inch, mcconkey broth neutral red (500 gm packing) make: merck/sigma aldrich/hach, calcium carbonate vol std (50 gm packing) make: merck/sigma aldrich/hach, ethylene diamine tetraactic acid disodium salt emparta (100 gm packing) make: merck/sigma aldrich/ hach, potassium chloride 1.41 ms/cm conductivity solution make: merck/sigma aldrich/hach, ammonia soln 25% emparta (2.5 ltr. bottle) make:

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