chemical physics of discharges - Argonne National Laboratory

chemical physics of discharges - Argonne National Laboratory chemical physics of discharges - Argonne National Laboratory

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544 Table 1. LIGHT EMISSION OF Y"TRIUM OXIDE AND RARE EARTHS (Pure and in CaO) IN HYDROGEN AND METHANE-AIR FLAMES Element Yttrium hnthanm. Neodymium Samarium GadOlinlum Dyspmsium Holmium Erbium Ytterbium - Fure oxide. - Atomic No. a 39 Y 57 la 59 Pr 60 Nd 62 9m 64 cd 66 Dy 67 H@ 68 Er 70 Yb Metal Conc in CaO. vtF 0.2 1.0 Po' 0.2 1.0 PO . 0.2' 1.0 PO 0.2 1.0 Po 0.2 1.0 PO 0.2 1.0 PO. 0.2 1.0 PO 0.2 1.0 Po 0.2 1.0 Po 0.2 1.0 PO ht msslon 3ith €L LU W- On cu Trace Trace Weak Trace Trace Weak Trace Trace Nil Trace Trace Nil Trace Trace Nil Trace Trace Strong Trace Trace Nil Trace Trace Nil Trace Trace Nil Trace Trace Nil On Fire ?M& Weak Trace Trace Weak Weak Trace Stmng Strong Trace Trace Weak Trace Trace Trace Nil Trace Weak Strong Trace Weak Nil Trace Weak Trace Trace Weak Trace Trace Trace Nil on cu Nil Nil Trace Nil Nil Nil Nil Trace Nil . Nil Nil Nil Trace Nil Nil Nil Nil Trace Nil Nil Nil Nil Nil Nil Nil Nil Nll Nil Nil Nil - r on Fire m Nil 3: Nil Nil Nil Strong strong Nil Nil Nil NiI Trace Trace Nil Nil Nil Weak Nil Nil Nil Nil Nil Trace Nil Nil Nil Nil Trace Nil Color Violet ! I Violet Green and Orange Lavender 4 lavender Green -and Orange I Red Red I Red Violet Lavender Red Oee orange -- Violet Violet Red Lavender Blue -- Aqua to Blue Aqua Red Blue White Red Lavender Red -- I ! I i I 1

\ 'i 2 w 8 ?N4"?? I? IC9 t-OO+r(N 0 A N 545

544<br />

Table 1. LIGHT EMISSION OF Y"TRIUM OXIDE AND RARE EARTHS (Pure and<br />

in CaO) IN HYDROGEN AND METHANE-AIR FLAMES<br />

Element<br />

Yttrium<br />

hnthanm.<br />

Neodymium<br />

Samarium<br />

GadOlinlum<br />

Dyspmsium<br />

Holmium<br />

Erbium<br />

Ytterbium<br />

- Fure oxide.<br />

-<br />

Atomic<br />

No. a<br />

39 Y<br />

57 la<br />

59 Pr<br />

60 Nd<br />

62 9m<br />

64 cd<br />

66 Dy<br />

67 H@<br />

68 Er<br />

70 Yb<br />

Metal<br />

Conc<br />

in<br />

CaO.<br />

vtF<br />

0.2<br />

1.0<br />

Po'<br />

0.2<br />

1.0<br />

PO<br />

. 0.2'<br />

1.0<br />

PO<br />

0.2<br />

1.0<br />

Po<br />

0.2<br />

1.0<br />

PO<br />

0.2<br />

1.0<br />

PO.<br />

0.2<br />

1.0<br />

PO<br />

0.2<br />

1.0<br />

Po<br />

0.2<br />

1.0<br />

Po<br />

0.2<br />

1.0<br />

PO<br />

ht msslon<br />

3ith €L LU W-<br />

On<br />

cu<br />

Trace<br />

Trace<br />

Weak<br />

Trace<br />

Trace<br />

Weak<br />

Trace<br />

Trace<br />

Nil<br />

Trace<br />

Trace<br />

Nil<br />

Trace<br />

Trace<br />

Nil<br />

Trace<br />

Trace<br />

Strong<br />

Trace<br />

Trace<br />

Nil<br />

Trace<br />

Trace<br />

Nil<br />

Trace<br />

Trace<br />

Nil<br />

Trace<br />

Trace<br />

Nil<br />

On<br />

Fire<br />

?M&<br />

Weak<br />

Trace<br />

Trace<br />

Weak<br />

Weak<br />

Trace<br />

Stmng<br />

Strong<br />

Trace<br />

Trace<br />

Weak<br />

Trace<br />

Trace<br />

Trace<br />

Nil<br />

Trace<br />

Weak<br />

Strong<br />

Trace<br />

Weak<br />

Nil<br />

Trace<br />

Weak<br />

Trace<br />

Trace<br />

Weak<br />

Trace<br />

Trace<br />

Trace<br />

Nil<br />

on<br />

cu<br />

Nil<br />

Nil<br />

Trace<br />

Nil<br />

Nil<br />

Nil<br />

Nil<br />

Trace<br />

Nil .<br />

Nil<br />

Nil<br />

Nil<br />

Trace<br />

Nil<br />

Nil<br />

Nil<br />

Nil<br />

Trace<br />

Nil<br />

Nil<br />

Nil<br />

Nil<br />

Nil<br />

Nil<br />

Nil<br />

Nil<br />

Nll<br />

Nil<br />

Nil<br />

Nil<br />

- r<br />

on<br />

Fire<br />

m<br />

Nil<br />

3:<br />

Nil<br />

Nil<br />

Nil<br />

Strong<br />

strong<br />

Nil<br />

Nil<br />

Nil<br />

NiI<br />

Trace<br />

Trace<br />

Nil<br />

Nil<br />

Nil<br />

Weak<br />

Nil<br />

Nil<br />

Nil<br />

Nil<br />

Nil<br />

Trace<br />

Nil<br />

Nil<br />

Nil<br />

Nil<br />

Trace<br />

Nil<br />

Color<br />

Violet !<br />

I<br />

Violet<br />

Green<br />

and<br />

Orange<br />

Lavender 4<br />

lavender<br />

Green<br />

-and<br />

Orange I<br />

Red<br />

Red I<br />

Red<br />

Violet<br />

Lavender<br />

Red<br />

Oee<br />

orange<br />

--<br />

Violet<br />

Violet<br />

Red<br />

Lavender<br />

Blue<br />

--<br />

Aqua to Blue<br />

Aqua<br />

Red<br />

Blue<br />

White<br />

Red<br />

Lavender<br />

Red<br />

--<br />

I<br />

!<br />

I<br />

i<br />

I<br />

1

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