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10540 Rockley Road
Houston, TX 77099
USA

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Brief Guide to Electrode Approved Methods TEXT SIZE: A A A    PRINT THIS PAGE   EMAIL THIS PAGE

 

Species measured ASTM (1) EPA (2) Std. Methods (3)
Acidity D1067-88 305.1, 305.2 2310B
Alkalinity D1067-88 310.1 2320B
Ammonia D1426-89 350.3 4500-NH3 (F) (G)
Bromide D1246-88 60 FR 37974(6)* ---
Carbon Dioxide D513-88A --- ---
Chloride D512-89 60 FR 37974(6)* 4500-CL (D)
Chloride-Leachable F1277-90 --- ---
Chloride-Total(coal) D4208-88 --- ---
Chlorine-Residual --- 59 FR 62456* 4500-CL (I)
Chlorine-In Organics E256-91 --- ---
Conductivity D1125-91 120.1 2510B
Cyanate --- --- 4500-CN (L)
Cyanide D2036-89A 60 FR 37974(6)* 4500-CN (E) (F)
Fluoride D3868-79
D1179-88B
D1179-88A
59 FR 62456
60 FR 37974(6)*
---
4500-F (C)
---
---
Fluoride-In Air D3269
D3268
D4765
---
---
---
---
---
---
Fluoride-In Coal D3761-91 --- ---
Iodide D3869 --- ---
Kjeldahl Nitrogen D3590-89A 351.4 4500-Norg (A)(B)
Nitrate ---
---
59 FR 62456
60 FR 37974 (6)*
4500-NO3 (D)(G)
-
ORP D1498-76 --- 2580
Oxygen D888-87D 360.1 4500-0 (G)
Potassium --- --- 3500-K (E)
Salinity --- --- 2520B
Sodium D2791 --- ---
Sulfide D4658 60 FR 37974(6)* ---
Sulfur-In Coal D4239-94 --- ---
pH D1293-84 150.1 4500-H

Species Measured AOAC (4) USGS (5)
Acidity 984.24 I-1020
Alkalinity 973.43 I-1030
Ammonia --- I-1524
Chloride 971.27, 980.25 ---
Chloride-By Titr. 962.05, 962.07,
963.05, 966.10,
969.10
---
---
---
Fluoride 984.37
975.08
973.10
I-1327
I-2327
---
Nitrate 986.31 ---
Sodium 976.25 ---
pH 981.12, 943.01, 945.10,
950.07, 960.19, 962.19,
970.21, 973.04, 973.40,
973.41, 979.02, 981.12
I-1586
---
---
---
pH Titrations 949.02, 955.01, 960.19 ---