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How to Brew the Perfect Cup of Coffee According to ScienceSoft and very soft waters contain very low or even zero levels of calcium ions [Ca++] and bicarbonate [HCO3-]. This will result in a coffee with high acidity that some might describe as sour.
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Partial Pressure of Oxygen (PaO2) TestThe PaO2 is one of the components measured in an arterial blood gas (ABG) test, which also reports oxygen (O2) saturation, bicarbonate (HCO3), the partial pressure of carbon dioxide (CO2), and the ...
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