Standard, Minerals, L1
140-704-101
Item: 140-704-101
Unit of measure: ea
Description: peCHECK level 1 mineral standard.

Parameter
Unit
Consensus Value
Confidence Interval
Conductivity
µmhos/cm
476
467-484
Ttl. Hardness (CaCO3)
mg/L
12.3
11.8-12.8
Ttl. Dissolved Solids
mg/L
183
176-191
Calcium (Ca)
mg/L
2.62
2.55-2.69
Potassium (K)
mg/L
15.8
15.5-16.1
Magnesium (Mg)
mg/L
1.31
1.27-1.34
Sodium (Na)
mg/L
31.4
30.5-32.2
Chloride (Cl)
mg/L
20.3
19.8-20.8
Fluoride (F)
mg/L
0.597
0.573-0.620
Sulfate (SO4)
mg/L
8.37
7.75 – 9.00
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