Practice of Kinetics (Comprehensive Chemical Kinetics, Volume 1)

~~~ ~ i_~~~~ ._I _.-.~ -~-~~L~ -~TABLE 5COMPARISON OF ULTRAVIOLET OUTPUT AND OPERATING CONDITIONS FOR SEVERAL COMMERCIAL HIGH-, MEDIUM-, AND LOW-PRESSURE MERCURY ARCS'- ~~. ~ - - ~-Arc oDeratina condifions~ ~~ ~~Useful Total uv uv Energy Eficiency Approx.Manu- Volts Amperes Inpurarc ourput( watts) per inrh of of uv gen- usefulfacturerenergy length < 3800Aarc length eration (%) lifetime-Lamp designation(warts) (inches)of arc (h)~ - ~~ - ~ - ~ ~. _. -~ -~ -~. -(i) Low-pressure mercury lampsG 15T8 (heated cathode) a, 1, 55 0.30G30T8 (heated cathode) a, b 100 0.342852Q (cold cathode) 450 0.030WL-782-20 (cold cathode) d 325 0.055WL-782L-30 (cold cathode)1 410 0.050ST46A22 (cold cathode) b 200 0.120ST30A32 (cold cathode) b 300 0.120(ii) Medium-pressure mercury lampsSH (6 l6A) 100 1.2PUA-292 3.1aUA-3135 3.1A (673A) 145 4.5LL(I 89A) 285 4.7UA-I I 450 3.1UA-I 5a 2000 1.58PlS(57A) c 1260 4.5(iii) High-pressure mercury lampsAH6 (quartz jacket) 840 1.4(iu) Compcict mercury or lnercury-.uetzonpoint source lamps537B9 65 18PEK107 20 5PEK2OO 58 3.5~0 General Electric Company, Lamp Division, Cleveland, Ohio, U.S.A.b Sylvania Electric Products, Inc., Salem, Massachusetts, U.S.A.c Hanovia Lamp Division, Engelhard Industries, Newark, N.J., U.S.A.Westinghouse Electric Corporation, Lamp Division, Bloomfield, N.J., U.S.A.PEK. Inc.. Palo Alto, California, U.S.A.f The lifetimes shown are approximate lower limits; when the medium-pressure mercury arcs are operated in proper ventilated housings, and with fairly continuousoperation, this rating may be increased by several thousand hours.16.534.013.517.920.524.036.0120285419653I3401395316056701176I000100200143224203011251.7(U)364.51217.74846.510.260.120.103.01.53.32.05.23.47.06.330.638.8953392408101066195870.21 180.23 220.14 240.10 110.17 250.3 1 140 28 193.1 510.2 206.5 921.1 1528.3 2513.6 1716.9 2622.9 19195 17335 9250025001200045001200012000120001000100010001000100010001000100015200100200