Distilled water meets the specifications for all of the following EXCEPT?

Study for the Medical Laboratory Professionals' Association of Ontario (MLPAO) Exam. Master the material with flashcards and multiple choice questions, with hints and explanations for each. Get ready for your exam!

Distilled water is produced through the process of boiling water and then condensing the steam back to liquid, which effectively removes impurities, including many dissolved solids and volatile substances. This process results in highly purified water, and it aligns with several specifications commonly associated with laboratory-grade water.

Type II water is defined by specific criteria that distilled water meets, including a maximum level of total dissolved solids (TDS) and low levels of ionic contaminants. Distilled water typically contains very few microorganisms due to the boiling process that sterilizes it, which means it also fulfills the requirement of having no microbiological organisms.

However, carbon dioxide (CO2) can still be present in distilled water because when distilled water is exposed to air, it can absorb CO2, leading to a weak carbonic acid formation. This means that while distilled water begins with a very low content of dissolved gases, it is not inherently devoid of carbon dioxide, especially if left exposed. In contrast, the presence of iron in distilled water is usually minimal since the distillation process removes most metal ions. As such, distilled water is also typically considered to have no iron.

Therefore, while distilled water generally meets the criteria for Type II water, has no microbiological organisms, and has minimal iron content

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