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Street Lamps

Applications of the Flame test?

I already know coloring fire is used in fireworks, and to decorate fires obviously... if you know of any other applications can you please say them thanks!

Many street lamps and halogen lights work by the same mechanism (there's no flame, but the principle is identical. Excite the electrons, light is emitted when they relax.) The characteristic yellow glow of many street lamps is due to sodium.

One of the chemistry related applications is that using specialised equipment, rather than carrying out the flame test in the 'normal' way by just looking at it, you can calculate the concentration of a metal in a particular compound or solution. This is known as AES or Atomic Emission Spectroscopy.

A commonly referenced practical use of this is to determine the concentration of different metals in drinking water. Many metals, such as lead, are toxic but can get into water supplies quite easily (lead pipes) so concentrations can be monitored to check the water is safe.

A related technique is Atomic Absorption Spectroscopy, which works on the same basis except that light is absorbed rather than emitted (as the name suggests). This is somewhat more sensitive and can detect some metals down to nano-molar concentrations.

Find Street Lamps On eBay Below:

10pcs Single Head Layout Park Lamp Post Garden Street Lights 1100 Scale
10pcs Single Head Layout Park Lamp Post Garden Street Lights 1100 Scale
$9.77
10pcs 1100 Railway Streets Lamp Modelmaking Single head LED Lights Model Toy PL
10pcs 1100 Railway Streets Lamp Modelmaking Single head LED Lights Model Toy PL
$0.01
Ame Item no 2 H0 Street Lamp VE 10 pc 4 3 16in
Ame Item no 2 H0 Street Lamp VE 10 pc 4 3 16in
$22.92
1100 Model Street Lamp Post Outdoor Garden Single Head Light Layout Gift 10Pcs
1100 Model Street Lamp Post Outdoor Garden Single Head Light Layout Gift 10Pcs
$10.29
1100 Scale Single Head Lamp Post Outdoor Lamp Garden Street Lights Layout 10Pcs
1100 Scale Single Head Lamp Post Outdoor Lamp Garden Street Lights Layout 10Pcs
$9.29
BUSCH HO SCALE 1 87 STREET LAMP CONCRETE DOUBLE  BN  4138
BUSCH HO SCALE 1 87 STREET LAMP CONCRETE DOUBLE BN 4138
$25.19
12 Pieces No 1 Whip lampStreet lampTrain station lightStation lamp mLED
12 Pieces No 1 Whip lampStreet lampTrain station lightStation lamp mLED
$34.46
1PC Model Railway Train Lamp Post Street Lights HO OO Scale SMD LED Light NEW
1PC Model Railway Train Lamp Post Street Lights HO OO Scale SMD LED Light NEW
$1.04
10PCS Model Railway Train Lamp Post Street Lights HO OO Scale SMD LED Light NEW
10PCS Model Railway Train Lamp Post Street Lights HO OO Scale SMD LED Light NEW
$5.66
S530 10 Pcs Double Street Lamps with LED 2 13 16in 12 19V Streetlights
S530 10 Pcs Double Street Lamps with LED 2 13 16in 12 19V Streetlights
$34.17
9 Pieces Nr 8 LEDStreet lamp Park lights Park lanterns Parklampedarkgreen
9 Pieces Nr 8 LEDStreet lamp Park lights Park lanterns Parklampedarkgreen
$27.59
6 Piece Nr 12 Whip lampStreet lampTrain station lightStation lamp mLED
6 Piece Nr 12 Whip lampStreet lampTrain station lightStation lamp mLED
$17.91
10 New Metal HO Scale Model Railroad LED Street Lamps 23inch 12V FREE SHIPPING
10 New Metal HO Scale Model Railroad LED Street Lamps 23inch 12V FREE SHIPPING
$39.95
NJ International HO 18 pc Dome Street Lamps 12 volt incandescent
NJ International HO 18 pc Dome Street Lamps 12 volt incandescent
$79.99
10pcs Model Single Head Light Model Garden Street Lamppost Lamp 1100 Scale
10pcs Model Single Head Light Model Garden Street Lamppost Lamp 1100 Scale
$4.04
VintageMarx HO Scale projector street Lamp post
VintageMarx HO Scale projector street Lamp post
$4.95
Woodland Scenics HO JP5677 Street Lights Concrete Lamp
Woodland Scenics HO JP5677 Street Lights Concrete Lamp
$19.97
Woodland Scenics O JP5648 Street Lights Double Lamp Post
Woodland Scenics O JP5648 Street Lights Double Lamp Post
$18.95
Beli HO type 12 lamps 19 volt street lamps
Beli HO type 12 lamps 19 volt street lamps
$15.99
10Pcs 2 Head LED Light Metal Lamp Post Train Railway Street Scenery 1100 HO
10Pcs 2 Head LED Light Metal Lamp Post Train Railway Street Scenery 1100 HO
$11.99
4pcs Double Heads Outdoor Garden Lamppost Lamp 3V Street Lights 1100 Scale Grey
4pcs Double Heads Outdoor Garden Lamppost Lamp 3V Street Lights 1100 Scale Grey
$4.65
10pcs HO Scale Model Street Lamp Lamppost Single Head Lights Layout 1100
10pcs HO Scale Model Street Lamp Lamppost Single Head Lights Layout 1100
$4.17
Viessmann 6038 Street Lamp dodenau LED Yellow H0 187 Neu OVP
Viessmann 6038 Street Lamp dodenau LED Yellow H0 187 Neu OVP
$13.79
1100 Model Railway Lamps Lamppost Single Head Street Lights LED 10pcs
1100 Model Railway Lamps Lamppost Single Head Street Lights LED 10pcs
$10.29
3 HO TWIN LAMP STREET LIGHTS FOR JUST PLUG SYSTEM 5676 WOODLAND SCENICS
3 HO TWIN LAMP STREET LIGHTS FOR JUST PLUG SYSTEM 5676 WOODLAND SCENICS
$20.89
3 Piece Kahlert gauge H0 Street Lamp Lamp Post 30706 Brass Ready to Connect 19
3 Piece Kahlert gauge H0 Street Lamp Lamp Post 30706 Brass Ready to Connect 19
$23.54
3 Piece Kahlert Street Lamp Lamp Post gauge H0 30795 Brass Ready to Connect
3 Piece Kahlert Street Lamp Lamp Post gauge H0 30795 Brass Ready to Connect
$23.54
S113 Set 10 Piece Lamps Modern Streetlights 1 flammig 3 5 16in Street Lamps
S113 Set 10 Piece Lamps Modern Streetlights 1 flammig 3 5 16in Street Lamps
$27.61
3 LAMP POST STREET LIGHTS HO SCALE JUST PLUG SYSTEM 5633 BY WOODLAND SCENICS
3 LAMP POST STREET LIGHTS HO SCALE JUST PLUG SYSTEM 5633 BY WOODLAND SCENICS
$20.89
10 Model 2 Head LED Light Metal Lamp Post Train Railway Street Scenery HO 1100
10 Model 2 Head LED Light Metal Lamp Post Train Railway Street Scenery HO 1100
$11.59
40x Model Train Railway Architecture Street LED Lights 1100 Lamp Lamppost
40x Model Train Railway Architecture Street LED Lights 1100 Lamp Lamppost
$18.15
40x Model Train Railway Architecture Street Garden Light 1100 Lamp Lamppost
40x Model Train Railway Architecture Street Garden Light 1100 Lamp Lamppost
$16.61
20x Model Train Railway Architecture Street Garden Light 1100 Lamp Lamppost
20x Model Train Railway Architecture Street Garden Light 1100 Lamp Lamppost
$16.98
50x Model Train Railway Architecture Street Garden Light 1100 Lamp Lamppost
50x Model Train Railway Architecture Street Garden Light 1100 Lamp Lamppost
$34.21
4pcs LED Street Lights With Resistors Model Train Lamp Post HO Scale New
4pcs LED Street Lights With Resistors Model Train Lamp Post HO Scale New
$15.99
Walthers Cornerstone Series HO Scale SINGLE ARM LIGHT Street Lamps set of 4 NIB
Walthers Cornerstone Series HO Scale SINGLE ARM LIGHT Street Lamps set of 4 NIB
$54.99
Walthers Cornerstone Series HO Scale MODERN STREET LIGHT Lamps set of 4 NIB
Walthers Cornerstone Series HO Scale MODERN STREET LIGHT Lamps set of 4 NIB
$54.99
HO scale  Set of 10 led working street lamps
HO scale Set of 10 led working street lamps
$8.00
10pcs 1100 HO Scale Model Single Head Garden Lamppost Lamp Street Lights 3V
10pcs 1100 HO Scale Model Single Head Garden Lamppost Lamp Street Lights 3V
$4.59
4pcs with Resistors Model Railroad Train LED Dual Lamp Post Street Lights HO
4pcs with Resistors Model Railroad Train LED Dual Lamp Post Street Lights HO
$17.99


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