value & unit
weight
charge
in mmol/l
in mg/l
in meq
mg/l
mmol/l
ppm
Cl
-
mg/l
mmol/l
ppm
NO
2
-
mg/l
mmol/l
ppm
NO
3
-
mg/l
mmol/l
ppm
F
-
mg/l
mmol/l
ppm
HCO
3
-
mg/l
mmol/l
ppm
CO
3
2-
mg/l
mmol/l
ppm
SO
4
2-
mg/l
mmol/l
ppm
H
2
PO
4
-
mg/l
mmol/l
ppm
Na
+
mg/l
mmol/l
ppm
K
+
mg/l
mmol/l
ppm
NH
4
+
mg/l
mmol/l
ppm
Mg
2+
mg/l
mmol/l
ppm
Ca
2+
mg/l
mmol/l
ppm
Fe
2+
mg/l
mmol/l
ppm
Mn
2+
mg/l
mmol/l
ppm
Al
3+
TDS in ppm
anion sum
cation sum
Sai số giữa tổng anions và cations:
=
% total amout of ions
Lớn hơn 10% thì bạn nên xem lại bảng phân tích nước!
mg/l to ppm to tds to mmol/l to meq to EC to
μS (microSiemens)