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  2. Civil defense Geiger counters - Wikipedia

    en.wikipedia.org/wiki/Civil_defense_Geiger_counters

    Victoreen Civil Defense V-777-1 shelter radiation detection kit overview. CD Counters came in a variety of different models, each with specific capabilities. Each of these models has an analog meter from 1 to 5, with 1/10 tick marks. Thus, at X10, the meter reads from 1 to 50. CD meters were produced by a number of different firms under contract.

  3. Thermal ionization mass spectrometry - Wikipedia

    en.wikipedia.org/wiki/Thermal_ionization_mass...

    The ion beam then passes through the magnetic field of the electromagnet where it is partitioned into separate ion beams based on the ion's mass/charge ratio. These mass-resolved beams are directed into a detector where it is converted into voltage. The voltage detected is then used to calculate the isotopic ratio. [3]

  4. Acetone - Wikipedia

    en.wikipedia.org/wiki/Acetone

    Acetone (2-propanone or dimethyl ketone) is an organic compound with the formula (CH 3) 2 CO. [22] It is the simplest and smallest ketone (>C=O).It is a colorless, highly volatile, and flammable liquid with a characteristic pungent odour, very reminiscent of the smell of pear drops.

  5. Acetone (data page) - Wikipedia

    en.wikipedia.org/wiki/Acetone_(data_page)

    Download as PDF; Printable version; In other projects ... Science Stuff; ... Vapor pressure of acetone based on formula, ...

  6. Atmospheric-pressure chemical ionization - Wikipedia

    en.wikipedia.org/wiki/Atmospheric-pressure...

    Atmospheric pressure chemical ionization chamber cross section. Atmospheric pressure chemical ionization (APCI) is an ionization method used in mass spectrometry which utilizes gas-phase ion-molecule reactions at atmospheric pressure (10 5 Pa), [1] [2] commonly coupled with high-performance liquid chromatography (HPLC). [3]

  7. Today's Wordle Hint, Answer for #1270 on Tuesday, December 10 ...

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    If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1270 ahead. Let's start with a few hints.

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  9. Simon's reagent - Wikipedia

    en.wikipedia.org/wiki/Simon's_reagent

    The reagent is typically provided in two parts: [2] [1] [3] A mixture of 2% sodium nitroprusside and 2% acetaldehyde in water (solution A) [4]; A solution of 2% sodium carbonate in water (solution B) [4]