Hach DR/850, Procedures Manual, Page: 14 / 460

14
CHEMICAL ANALYSIS INFORMATION
, continued
Converting Chemical Species
Species conversion factors for many commonly used substances are pre-
programmed into the instrument (see
Table 1 ). Conversions are method
specific and are viewable after taking the reading by pressing
CONC
.
Table 1 Conversion Factors
To Convert From... To... Multiply By...
mg/L Al mg/L Al
2
O
3
1.8895
mg/L Ca-CaCO
3
mg/L Ca 0.4004
mg/L CaCO
3
mg/L Ca 0.4004
mg/L CaCO
3
mg/L Mg 0.2428
µg/L Carbohydrazide µg/L Hydroquinone 1.92
µg/L Carbohydrazide µg/L ISA 2.69
µg/L Carbohydrazide µg/L MEKO 3.15
mg/L Cr
6+
mg/L CrO
4
2-
2.231
mg/L Cr
6+
mg/L Na
2
CrO
4
3.115
mg/L Mg-CaCO
3
mg/L Mg 0.2428
mg/L Mn mg/L KMnO
4
2.876
mg/L Mn mg/L MnO
4
-
2.165
mg/L Mo
6+
mg/L MoO
4
2-
1.667
mg/L Mo
6+
mg/L Na
2
MoO
4
2.146
mg/L N mg/L NH
3
1.216
mg/L N mg/L NO
3
-
4.427
mg/L Na
2
CrO
4
mg/L Cr
6+
0.321
mg/L Na
2
CrO
4
mg/L CrO
4
2-
0.72
mg/L NH
2
Cl-N mg/L Cl
2
5.0623
mg/L NH
2
Cl-N mg/L NH
2
Cl 3.6750
mg/L NH
3
-N mg/L NH
3
1.216
mg/L NH
3
-N mg/L NH
4
+
1.288
mg/L NO
2
-
mg/L NaNO
2
1.5
mg/L NO
2
-
mg/L NO
2
-
-N 0.3045
mg/L NO
2
-
-N mg/L NaNO
2
4.926
µg/L NO
2
-
-N µg/L NaNO
2
4.926
mg/L NO
2
-
-N mg/L NO
2
-
3.284
µg/L NO
2
-
-N µg/L NO
2
-
3.284
mg/L NO
3
-
-N mg/L NO
3
-
4.427
mg/L PO
4
3-
mg/L P 0.3261
µg/L PO
4
3-
µg/L P 0.3261
mg/L PO
4
3-
mg/L P
2
O
5
0.7473
µg/L PO
4
3-
µg/L P
2
O
5
0.7473
mg/L SiO
2
mg/L Si 0.4674
µg/L SiO
2
µg/L Si 0.4674