APHA Method Reagents


Maximize productivity and reduce analysis costs using AccuSPEC prepared standards and reagents for American Public Health Association (APHA) Methods. Prepared solutions are available for most common Inorganic Standard Methods.

• Prepared as per guidelines from "Standard Methods for
  the Examination of Water & Wastewater", 20th Edition
    -  Compliance with APHA, AWWA & WEF

• Links between reagents and specific methods
    -  Easy retrieval of specific reagents

• Manufactured and tested under an ISO Certified Quality
  Program
    -  Consistency between product lots


APHA Solution Concentration Catalog Number    
    500 ml 1 L 5 L
Acetate Buffer for As (pH 5.5)   250-200-100 250-200-101 250-200-102
Acetate Buffer for Br (pH 4.6-4.7)   250-200-130 250-200-131 250-200-132
Acetate Buffer for Cl (pH 4)   250-200-160 250-200-161 250-200-162
Acetate Buffer for CN (pH 4.5)   250-200-190 250-200-191 250-200-192
Acetate Buffer for F   250-200-220 250-200-221 250-200-222
Alum Solution, AlK(SO4)2 10% w/v 250-260-100 250-260-101 250-260-102
Ammonium Acetate - Acetic Acid Buffer   250-200-280 250-200-281 250-200-282
Ammonium Chloride - EDTA   250-260-175 250-260-176 250-260-177
Ammonium Chloride, NH4Cl 0.05 M 250-260-125 250-260-126 250-260-127
Ammonium Chloride, NH4Cl 1.15 g/l 250-260-150 250-260-151 250-260-152
Ammonium Hydroxide (as NH3), NH4OH** 0.5 N 250-100-150 250-100-151 250-100-152
Ammonium Hydroxide (as NH3), NH4OH 5 N 250-100-300 250-100-301 250-100-302
Ammonium Hydroxide (as NH3), NH4OH** 5% v/v 250-100-350 250-100-351 250-100-352
Ammonium Hydroxide (as NH3), NH4OH** 10% v/v 250-100-400 250-100-401 250-100-402
Ammonium Molybdate I   250-260-250 250-250-251  
Ammonium Molybdate II   250-260-275 250-260-275  
Ammonium Molybdate, (NH4)6Mo7O24 4% w/v 250-260-200 250-260-201 250-260-202
Ammonium Molybdate, (NH4)6Mo7O24 10% w/v 250-260-225 250-260-226 250-260-227
Ammonium Oxalate, (NH4)2C2O4 4% w/v 250-260-300 250-260-301 250-260-302
Ammonium Oxalate, (NH4)2C2O4 5% w/v 250-260-325 250-260-326 250-260-327
Ammonium Phosphate, (NH4)2HPO4 30% w/v 250-260-350 250-260-351  
Ammonium Phosphate, (NH4)2HPO4 40% w/v 250-260-375 250-260-376  
Ammonium Phosphate, (NH4)2HPO4 50% w/v 250-260-400 250-260-401  
Ammonium Sulphate, (NH4)2SO4 10% w/v 250-260-425 250-260-426  
Arsenous Acid Solution   250-005-000 250-005-001  

APHA Solution Concentration Catalog Number      
    60 ml 125 ml 500 ml 1 L 5 L
Borate Buffer       250-200-310 250-200-311 250-200-312
Borax, Na2B4O7* 1% w/v     250-260-450 250-260-451 250-260-452
Bromcresol Green - Methyl Red (Aqueous)   250-120-140 250-120-141 250-120-142 250-120-143  
Bromcresol Green - Methyl Red (Isopropanol)   250-120-150 250-120-151 250-120-152 250-120-153  
Calcium Carbonate Standard, CaCO3 1 mg/L CaCO3     250-260-475 250-260-476 250-260-477
Color Standard 500 Units (Pt-Co Solution)       250-260-500 250-260-501  
Copper Sulfate - Sulfamic Acid Inibitor       250-260-550 250-260-550  
Copper Sulfate, CuSO4 2% w/v     250-260-525 250-260-526 250-260-527*
EDTA Disodium Salt (for NH3-N), C10H14N2O8Na2** 0.25 M       250-260-575 250-260-576
EDTA Disodium Salt (for NH3-N), C10H14N2O8Na2** 50% w/v       250-260-600 250-260-601
Eriochrome Black T in 2-Methoxymethanol 0.5% w/v 250-120-350 250-120-351 250-120-352 250-120-353  
Eriochrome Black T in Triethanolamine 1% w/v 250-120-360 250-120-361 250-120-362 250-120-363  
Ferric Nitrate, Fe(NO3)3 40.4% w/v     250-260-625 250-260-626 250-260-627*
Lead Acetate, (CH3COO)2Pb 10%     250-260-650 250-260-651  
Manganous Sulfate, MnSO4 364 g/L     250-260-675 250-260-676 250-260-677
MBTH Indicator 0.05% 250-120-390 250-120-391 250-120-392 250-120-393  
Mercuric Nitrate, Hg(NO3)2 0.0141 N     250-260-700 250-260-701 250-260-702*
Mercuric Sulfate Special Reagent       250-260-725 250-260-726  
Methyl Red - Methylene Blue   250-120-470 250-120-471 250-120-472 250-120-473  
Oxalic Acid, C2H2O4 7.5% w/v     250-040-200 250-040-201 250-040-202*
Potassium Chromate, K2CrO4 0.065% w/v     250-120-620 250-120-621 250-120-622*
Potassium Oxalate, (COOK)2 2% w/v     250-260-750 250-260-751  
Potassium Permanganate, KMnO4*** 0.01 N     250-260-775 250-260-776 250-260-777*
Potassium Persulfate, K2S2O8 5% w/v     250-260-800 250-260-801 250-260-802*
Sodium Acetate, CH3COONa 2 M     250-260-825 250-260-826 250-260-827
Sodium Acetate, CH3COONa 0.2 N     250-260-850 250-260-851 250-260-852
Sodium Arsenite, NaAsO2 0.1 N     250-310-380 250-310-381  
Sodium Bicarbonate Solution, NaHCO3** 5.5% w/v     250-260-875 250-260-876 250-260-877
Sodium Chloride, NaCl** 0.0141 M     250-260-900 250-260-901 250-260-902
Sodium Hydroxide Dilution Solution, NaOH** 0.16% w/v     250-108-640 250-108-641 250-108-642
Stannous Chloride I       250-260-925    
Stannous Chloride II       250-260-950    
Sulfuric Acid, H2SO4 16.7%     250-060-490 250-060-491 250-060-492
Vanadate-Molybdate Solution       250-260-970 250-260-971 250-260-972
Zinc Acetate, (CH3COO)2Zn 10% w/v     250-260-980 250-260-981 250-260-982
Zinc Sulfate, ZnSO4 10% w/v     250-260-990 250-260-991 250-260-992