Comparing E948 - Oxygen vs E949 - Hydrogen
Overview
Synonyms
Products
Found in 8 products
Found in 4 products
Search rank & volume
Awareness score
Search volume over time
Interest over time for 3 keywords in U.S. during the last 10 years.
Interest over time for 2 keywords in U.S. during the last 10 years.
Popular questions
What is a dangerously low oxygen level?
In air, an oxygen concentration below 19.5% by volume is considered oxygen-deficient and hazardous; in blood, an SpO2 below about 90% (or arterial PaO2 <60 mmHg) is dangerously low and needs urgent medical care.
How many valence electrons does oxygen have?
Oxygen has six valence electrons.
How to increase blood oxygen level?
If your level is low or you have symptoms (e.g., shortness of breath, bluish lips), seek urgent medical care; improving ventilation, sitting upright, slow deep breathing, and treating underlying causes can help, while supplemental oxygen should only be used under medical supervision.
How much oxygen is in the air?
About 21% of dry air by volume is oxygen (most of the rest is nitrogen).
How many electrons does oxygen have?
A neutral oxygen atom has 8 electrons.
What is a hydrogen bond?
A hydrogen bond is a weak electrostatic attraction between a hydrogen atom bound to an electronegative atom (like O, N, or F) and another electronegative atom; it’s unrelated to E949, which is hydrogen gas used mainly as a packaging/propellant additive.
Does hydrogen peroxide expire?
Yes—household hydrogen peroxide (not E949) slowly decomposes to water and oxygen; unopened it typically lasts up to about a year in a cool, dark place, but after opening it’s best used within 1–3 months.
Is hydrogen water good for you?
Hydrogen water is water infused with dissolved hydrogen gas (E949); it’s generally safe, but evidence for meaningful health benefits is limited and not conclusive.
Is hydrogen a metal?
No—hydrogen is a nonmetal under standard conditions; as E949 it’s the colorless, flammable gas used as a food-packaging/propellant additive.
Does hydrogen peroxide kill mold?
3% hydrogen peroxide can kill mold on hard, nonporous surfaces, but it’s less effective on porous materials like wood or drywall; use in a ventilated area and don’t mix it with bleach or vinegar.