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  2. Nickel - Wikipedia

    en.wikipedia.org/wiki/Nickel

    Nickel(I) complexes are uncommon, but one example is the tetrahedral complex NiBr(PPh 3) 3. Many nickel(I) complexes have Ni–Ni bonding, such as the dark red diamagnetic K 4 [Ni 2 (CN) 6] prepared by reduction of K 2 [Ni 2 (CN) 6] with sodium amalgam. This compound is oxidized in water, liberating H 2. [44]

  3. List of UN numbers 1201 to 1300 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_1201_to...

    n.o.s. = not otherwise specified meaning a collective entry to which substances, mixtures, solutions or articles may be assigned if a) they are not mentioned by name in 3.2 Dangerous Goods List AND b) they exhibit chemical, physical and/or dangerous properties corresponding to the Class, classification code, packing group and the name and description of the n.o.s. entry [4]

  4. Combustibility and flammability - Wikipedia

    en.wikipedia.org/wiki/Combustibility_and...

    In other words, a combustible material ignites with some effort and a flammable material catches fire immediately on exposure to flame. The degree of flammability in air depends largely upon the volatility of the material – this is related to its composition-specific vapour pressure , which is temperature dependent.

  5. Milwaukee’s impressive 12-5 record mutes, for now, a lot of warning signals. But the Bucks are not hiding from what they need to work on.

  6. List of UN numbers 3401 to 3500 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_3401_to...

    (UN No. no longer in use) Toxic by inhalation liquid, corrosive, flammable, N.O.S. with an inhalation toxicity lower than or equal to 1000 ml/m3 and saturated vapour concentration greater than or equal to 10 LC50 (UN No. no longer in use) [4] UN 3494: 3: Petroleum sour crude oil, flammable, toxic UN 3495: 8: Iodine: UN 3496: 9: Batteries ...

  7. List of fire-retardant materials - Wikipedia

    en.wikipedia.org/wiki/List_of_fire-retardant...

    Fire-retardant materials should not be confused with fire-resistant materials. A fire resistant material is one which is designed to resist burning and withstand heat. An example of a fire-resistant material is one which is used in bunker gear worn by firefighters to protect them from the flames of a burning building.

  8. Colored fire - Wikipedia

    en.wikipedia.org/wiki/Colored_fire

    Colored fire is a common pyrotechnic effect used in stage productions, fireworks and by fire performers the world over. Generally, the color of a flame may be red, orange, blue, yellow, or white, and is dominated by blackbody radiation from soot and steam.

  9. Is red 40 safe? Here's what health experts want you to know - AOL

    www.aol.com/red-40-safe-heres-health-100146469.html

    FD&C Red No. 40, more commonly known as red 40, is making headlines again as lawmakers debate whether food dyes should remain legal in the United States. The dye, which has been registered with ...