Hach Reagent Sets for
Colorimetry & Spectrophotometry
• Formulated for exceptional performance and dependable results
• Rigorously tested with Hach instrumentation for highest system performance
DR300/Pocket Colorimeter II
DR900
DR1900
DR3900
DR6000
Show all
MFR#PARAMETERMETHODRANGE (mg/L)STOCK #USE WITH
TNT870Alkalinity, Total, TNTplus®Colorimetric25 to 400204798
2242000AluminumAluminon0.008 to 0.8077256
2603700AluminumEriochrome Cyanine R0.002 to 0.25203894
TNT848Aluminum, TNTplusChromazurol S0.02 to 0.50202127
TNT829Ammonia, ULR+, TNTplusSalicylate0.50 to 5.0059380
TNT830Ammonia, ULR, TNTplusSalicylate0.015 to 2.00200386*
TNT831Ammonia, LR, TNTplusSalicylate1 to 12200387*
TNT832Ammonia, HR, TNTplusSalicylate2 to 47201332*
TNT837Ammonia, HR+, TNTplusSalicylate10 to 10059379
TNT833Ammonia, UHR, TNTplusSalicylate47 to 13086292*
TNT834Ammonia, UHR, TNTplusSalicylate100 to 180090552
2668000Ammonia NitrogenSalicylate0.01 to 0.5032132
2458200Ammonia NitrogenNessler0.02 to 2.50200424*
2604545Ammonia Nitrogen, LR, TNTSalicylate0.02 to 2.5032528
2606945Ammonia Nitrogen, HR, TNTSalicylate0.4 to 5032517
2879200Ammonia, Free, NitrogenIndophenol0.02 to 0.5077466
TNT882KTOAnammox Activity, TNTplusHeme0 to 100 mAbs90548
ArsenicSilver Diethyldithiocabamate0.020 to 0.200
1206499BariumTurbidimetric2 to 100203965
2141299BenzotriazoleUV Photolysis1.0 to 16.021112
TNT877Boron, TNTplusCarmine0.05 to 2.586294
2105669BromineDPD0.05 to 4.5032140
2503025Bromine, AVDPD0.05 to 4.5032508
2242200CadmiumDithizone0.7 to 80.0 μg/L204192
TNT852Cadmium, TNTplusCadion0.02 to 0.3086422
2446600CarbohydrazideIron Reduction5 to 600 μg/L47872
2879200Chloramine, MonoIndophenol0.04 to 4.577466
2802246Chloramine, Mono, LRIndophenol0.04 to 4.577269
2805145Chloramine, Mono, HR, TNTIndophenol0.1 to 10.0204438
2319800ChlorideMercuric Thiocyanate0.1 to 25.0202047
TNT879Chloride, TNTplusIron (III)-Thiocyanate1 to 70; 70 to 100087871
Chlorine, FreeIndophenol0.04 to 4.50
2105569Chlorine, FreeDPD0.02 to 2.0032130*
2502025Chlorine, Free, AVDPD0.02 to 2.0032507*
2556900Chlorine, Free, Pour-Thru CellDPD Rapid Liquid0.02 to 2.0028235
TNT866Chlorine, Free, TNTplusDPD0.05 to 2.00206473*
1407099Chlorine, Free, MR/HRDPD0.05 to 4.00; 0.1 to 10.032850*
2105545Chlorine, Free, TNTDPD0.09 to 5.0077254
2105669Chlorine, TotalDPD0.02 to 2.0032140*
2503025Chlorine, Total, AVDPD0.02 to 2.0032508*
1406499Chlorine, Total, MR/HRDPD0.05 to 4.00; 0.1 to 10.032950*
2563000Chlorine, Total, Pour-Thru CellDPD2 to 500 μg/L77503*
TNT867Chlorine, Free & Total, TNTplusDPD0.05 to 2.0062036*
2105645Chlorine, Total, TNTDPD0.09 to 5.0077255
Chlorine Demand/RequirementDPDMultiple Ranges
2770900Chlorine Dioxide, MRDPD/Glycine0.04 to 5.0030454*
2242300Chlorine Dioxide, LRChlorophenol Red0.01 to 1.0077512
Chlorine Dioxide, MRDirect Reading1 to 50
Chlorine Dioxide, HRDirect Reading5 to 1000
1271099Chromium, Hexavalent1,5 Diphenylcarbohdrazide0.010 to 0.7032434*
TNT854Chromium, Hexavalent, TNTplus1,5 Diphenylcarbohdrazide0.03 to 1.0045869**
2242500Chromium, TotalAlkaline Hypobomite Oxidation0.01 to 0.7047862
2651600CobaltPAN0.01 to 2.0077286
2415825COD, ULRDichromate0.7 to 40.032502
2125825COD, LRDichromate3 to 15032492*
2125925COD, HRDichromate20 to 150032494*
2415925COD, HR+Dichromate200 to 15,00032504
2623425CODManganese III30 to 1000204375
2565025COD, LR Mercury FreeReactor Digestion3 to 15032514
2565125COD, HR Mercury FreeReactor Digestion20 to 150032515
2834325COD, UHR Mercury FreeReactor Digestion200 to 15,00032523
TNT820COD, ULR, TNTplusReactor Digestion1 to 6037959
TNT82006COD, ULR, TNTplusReactor Digestion1 to 6037945
TNT821COD, LR, TNTplusReactor Digestion3 to 150200741*
TNT822COD, HR, TNTplusReactor Digestion20 to 1500200740*
TNT823COD, UHR, TNTplusReactor Digestion250 to 15,00063708
TNT824COD, UHR, TNTplusReactor Digestion5000 to 60,00087872
TNT825COD, Mercury-Free, HR, TNTplusReactor Digestion25 to 1000204797
ColorADMI Weighted Ordinate3 to 250 Units
Color, True & ApparentPlatinum-Cobalt15 to 500 Units
Color, True & Apparent, LRPlatinum-Cobalt3 to 200 Units
2105869CopperBicinchoninate0.04 to 5.0032436*
2603300Copper, LRPorhyrin2 to 210 μg/L77263
2504025Copper, AVBicinchoninate0.04 to 5.0030457
TNT860Copper, TNTplusBicinchoninate0.1 to 8.0037667
2430200CyanidePyridine-Pyrazalone0.002 to 0.24077257
246066Cyanuric AcidTurbidimetric5 to 5077253
2446600DEHA (Diethylhydroxylamin)Iron Reduction3 to 450 μg/L47872
2501025Dissolved Oxygen, LR, AVIndigo Carmine6 to 800 μg/L30460
2515025Dissolved Oxygen, HR, AVHRDO0.3 to 15.032513
2515025Dissolved Oxygen, URH, AVUltra High Range1.0 to 40.032513
2446600Erythrobic Acid (Isoascorbic Acid)Iron Reduction13 to 1500 μg/L47872
44449FluorideSPADNS0.02 to 2.0077252††
2506025Fluoride, AVSPADNS0.02 to 2.0032509††
2947549FluorideSPADNS II0.02 to 2.0077272††
2527025Fluoride, Arsenic Free, AVSPADNS II0.02 to 2.0032135††
TNT878Fluoride, TNTplusSPADNS II0.1 to 2.5 μg/L86293*
2257700FormaldehydeMBTH3 to 500 μg/L86423
2257700Formaldehyde, TNTplusColorimetric0.5 to 1087874
2603100Hardness, Total, ULRChorophosphonazo Colorimetric8 to 1000 μg/L204359
Hardness, Total, ULR (Pour-Thru Cell)Chorophosphonazo Colorimetric Rapid Liquid4 to 1000 μg/L
2319900Hardness, Ca & MgCalmagite Colorimetric0.05 to 4.0032500
TNT869Hardness, TNTplusMetalphthalein20 to 350 as CaCO₃; 5 to 100 Ca; 3 to 50 Mg87875
179032Hydrazinep-Dimethylaminobenzaldehyde4 to 600.0 μg/L47790
2446600HydroquinoneIron Reduction9 to 1000 μg/L47872
2105669IodineDPD0.07 to 7.0032140
2503025Iodine, AVDPD0.07 to 7.0032508
103769Iron, Ferrous1, 10 Phenanthroline0.02 to 3.0032524
TNT858Iron, TNTplusPhenanthroline0.2 to 6.0203823
230166IronFerroZine®0.009 to 1.40032470
230149Iron (Pour-Thru Cell)FerroZine Rapid Liquid0.009 to 1.40010247
2608799Iron, TotalTPTZ0.012 to 1.8077285
2105769Iron, TotalFerroVer®0.02 to 3.0032450*
2507025Iron, Total, AVFerroVer0.02 to 3.0032510*
2375000LeadLeadTrak5 to 150 μg/L77275
2243100LeadDithizone3 to 300 μg/L204197*
TNT850Lead, TNTplusPAR0.1 to 2.0 mg/L37666
2651700Manganese, LRPAN0.006 to 0.7047867
2430000Manganese, HRPeriodate Oxidation0.1 to 20.032525*
TNT849Magnesium, TNTplusMetalphthalein0.5 to 5087876*
2658300MercuryCold Vapor Mercury Concentration0.1 to 2.5 μg/L204381
2446600Methylethylketoxime (MEKO)Iron Reduction15 to 1000 μg/L47872
2449400Molybdenum, Molybdate, LRTernary Complex0.02 to 3.0047842
2604100Molybdenum, Molybdate, HRMercaptoacetic Acid0.3 to 40.047836
2651600NickelPAN0.006 to 1.00077286
2242600NickelPAN0.006 to 1.000204195
2243500NickelHeptoxime0.02 to 1.80204199*
TNT856Nickel, TNTplusDimethylglyoxime0.1 to 6.086424
2429800Nitrate, Nitrogen, LRCd Reduction0.01 to 0.5077276
TNT835Nitrate, Nitrogen, LR, TNTplusDimethylphenol0.23 to 13.5200743*
2106169Nitrate, MRCd Reduction0.1 to 10.032490
2511025Nitrate, MR, AVCd Reduction0.1 to 10.032512
2106169Nitrate, HRCd Reduction0.3 to 30.032490
2511025Nitrate, HR, AVCd Reduction0.3 to 30.032512
TNT836Nitrate, HR, TNTplusDimethylphenol5 to 3537966*
Nitrate, NitrogenUV Screening0.1 to 10.0
2605345Nitrate, HR, TNTChromotropic Acid0.2 to 30.032516
TNT839Nitrite, LR, TNTplusDiazotization0.015 to 0.600200742*
2107169Nitrite, LRDiazotization0.002 to 0.30032526*
2608345Nitrite, TNTDiazotization0.003 to 0.5032518
TNT840Nitrite, HR, TNTplusDiazotization0.6 to 6.0201333
TNT841Nitrite, UHR, TNTplusDiazotization2 to 9090547
2107569Nitrite, Nitrogen, HRFerrous Sulfate2 to 25077273
TNT826Nitrogen, Total, LR, TNTplusPersulfate Digestion1 to 1637963
2672245Nitrogen, Total, LR, TNTPersulfate Digestion0.5 to 2532521
TNT827Nitrogen, HR Total, TNTplusPersulfate Digestion5 to 4037964
2714100Nitrogen, Total, HR, TNTPersulfate Digestion10 to 15077288
TNT828Nitrogen, Total, UHR, TNTplusPersulfate Digestion20 to 10037965
2604945Nitrogen, Total Inorganic, TNTTiCl3 Reduction0.2 to 25.077264
TNT880Nitrogen, Simplified TKN, TNTpluss-TKN0 to 16203680
2495300Nitrogen, Total Kjeldahl (TKN)Nessler1 to 15077277
Organic Constituents, UV-Absorbing (UV-254)Direct ReadingVaries
2516025Ozone, AV, LRIndigo0.01 to 0.2577280
2517025Ozone, AV, MRIndigo0.01 to 0.7577281
2518025Ozone, AV, HRIndigo0.01 to 1.5077282
2657512pHColorimetric6.5 to 8.5 pH30468
2243900Phenols4-Aminoantipyrine0.002 to 0.20077564*
TNT868Phenols, TNTplus4-Aminoantipyrine5 to 15090553*
2429700PhosphonatesPersulfate UV Oxidation0.02 to 125.047849
2106069Phosphorous, ReactivePhosVer 30.02 to 2.5032489*
2508025Phosphorous, Reactive, AVPhosVer 30.02 to 2.5032511*
2742545Phosphorous, Reactive, TNTPhosVer 30.06 to 5.0030471*
2244100Phosphorus, ReactiveAmino Acid0.23 to 30.0077274
2076032Phosphorus, ReactiveMolybdovanadate0.3 to 4532488
2767345Phosphorus, Reactive, TNT, HRMolybdovanadate1.0 to 100.077291
2076049Phosphorus, Reactive (Pour-Thru Cell)Molybdovanadate Rapid Liquid0.3 to 45.00203884
2678600Phosphorus, Reactive (Pour-Thru Cell)Ascorbic Acid Rapid Liquid19 to 3000 μg/L204405*
TNT846Phosphorus, Reactive (Ortho), TNTplusMolybdovanadate1.6 to 30.0 (5 to 90)37967
2742645Phosphorous, TNT, LRPosVer3 with Acid Hydrolysis0.06 to 3.5032522*
2767245Phosphorus, Total, TNT, HRMolybdovanadate with Acid Persulfate Digestion1.0 to 100.077290
TNT843Phosphate Reactive & Total, TNTplus, LRAscorbic Acid0.05 to 1.50 (0.15 to 4.5)202103*
TNT844Phosphate Reactive & Total, TNTplus, HRAscorbic Acid0.5 to 5.0 (1.5 to 15.0)202104*
TNT845Phosphate Reactive & Total, TNTplus, UHRAscorbic Acid2 to 20 (6 to 60)202501*
2459100PotassiumTetraphenylborate0.1 to 7.086426
2459200Quaternary Ammonium CompoundsDirect Binar Complex0.2 to 5.086427
2244200SeleniumDiaminobenzadine0.01 to 1.00 66 to 10086425
2553500Silica (Pour-Thru Cell), ULRHeteropoly Blue3 to 1000 μg/L77579
2678500Silica (Pour-Thru Cell), ULRHeteropoly Blue Rapid Liquid3 to 1000 μg/L77581
2459300Silica, LRHeteropoly Blue0.010 to 1.6047858
2429600Silica, HRSilicomolybdate1 to 10047857
2296600SilverColorimetric0.02 to 0.70204227
2106769SulfateSulfaVer 42 to 7032445*
TNT864Sulfate, LR, TNTplusTurbidimetric40 to 15037968
TNT865Sulfate, HR, TNTplusTurbidimetric150 to 90037969
2244500SulfideMethylene Blue5 to 800 μg/L32531*
TNT861Sulfide, TNTplusMethylene Blue0.1 to 2.087879*
TNT874Surfactant, Anionic, TNTplusMethylene Blue0.1 to 4.090554
TNT885Surfactant, Cationic, TNTplusCetyltrimethylammonium Bromide0.2 to 2.090549
TNT875Surfactant, Nonionic, LR, TNTplusTBPE0.2 to 6.0 as Triton X-10087877
TNT876Surfactant, Nonionic, HR, TNTplusTBPE6 to 200 as Triton X-10087878
Suspended SolidsPhotometric5 to 750
2244600Tannin & LigninTyrosine0.1 to 9.077293
2760345Total Organic Carbon (TOC), LRDirect Method0.3 to 20.077296
2815945Total Organic Carbon (TOC), MRDirect Method15 to 15077300
2760445Total Organic Carbon (TOC), HRDirect Method100 to 70077297
2141299TolytriazoleUV Photolysis1.0 to 20.021112
2597200ToxicityToxTrak0 to 100% Inhibition77295
2774300TPH in Soil/WaterImmunoassay2 to 2077298
2790800Trihalomethanes (THM, THMFP)THM Plus10 to 600 μg/L77299
2244700Volatile AcidsEsterification27 to 280077294
TNT872Volatile Acids, TNTplusEsterification50 to 2500203666
2429300ZincZincon0.01 to 3.032447*
* EPA-approved method. Some tests require sample pretreatment such as filtration, distillation or digestion to meet EPA testing requirements.
** EPA approved for Cr6+ only.
As listed, test determines soluble metal. For total metal testing, order a metals prep set (stock # 86137).
†† Not EPA accepted for drinking water using DR900.
LR (Low Range), MR (Mid Range), HR (High Range), ULR (Ultra Low Range), UHR (Ultra High Range), AV (AccuVac), TNT (Test ‘N Tube)