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• Lead Dioxide • 5241
<br /> in ceramics. Ph mat
<br /> rifialion to the disulfide i A electronic and alloys;devices',storage batttng oomaruction: int older 34.5astim 2%4 01 20.73%.3Pb 44.75°OPb(BrOs)t,wt 463.01. Br
<br /> rice of several different to and otM1er lad alloys: in lM1e metallurgy of steel and other Monohydrate.colorless crystals. Pofsbnousl d 5.53. Dec
<br /> y in
<br /> isulfide of pantethdne: 1607 corrosion
<br /> Note: Pure lead bromate is not dangerous,but when made
<br /> ioL Med.73,658(1930):Bro' metalEnBRChem•49, 16 corrosion metallurgy: Mulls by 180'pla^Slightly dcela)te with anin Id aalkali bromaete, it maty deto-
<br /> 75(1952). Coenzyme A dig Ind
<br /> shows 2-4 LBF-active corn 5228 Lead Acetate. Neutral lead acetate; normal lead nate or explode on treating,striking or rubbing because some
<br /> Bacterial 61, 195(1951). Re Seetate; sugar of lead: salt of Saturn. C4HyO,Pb; mol wt acetate is occluded.
<br /> and Related Forms of the 125.28. C 14.17%, H 1.865/6, Pb 63.7076, O 19.67%. Pb- 5235• Lead Bromide. Br2Pb:mot wt 367.04. Br 43.55%,
<br /> (LBF)" in Advan. Enzymol.1 (CH,C00)2
<br /> TnhYdrate.colorless crysals or white granules or powder. Pb 56.43%. PbBr2.
<br /> t 207.2; at. no. 82; valence$ Cp tlomtair ands abecomaein�comple[ely sol.rid 2x53.Takes
<br /> mP 7S solidifying fosrmsoa horn-likeman. Sol in6 about 200 Pans
<br /> so[opa: 204(1.40%):206(25.2'% when nPidly heated; at a little above 1 Wit begins to lox cold water. 20 parts boiling water:focal in alcohol.
<br /> ); artificial,al, radioactive isoto acetic acid:da completely above 20T. One gram disolves 5236. Lad Butyrate. Butyric acid, lead salt CsH24-
<br /> One of the metals known to in 1 6 m) water. 0.5 ml boiling water. JO ml alcohol: freelyI wt
<br /> occurrence in earth's crust a u.l in glycerol. Aq solos of lead acetate dissolve lead mon- a33%moPb(C HlO�s. C 25.19%. H 3.70%. O 16.78%. Pb
<br /> E 0.002%(depth of crust: 16 k OxidepH of 5%aq oln at 25- = 5.5-6.5. Keep well¢faced. Colorless scales or viscid mass. Poisonous/ mp about 90'.
<br /> in galena, ,her minerals tnd Incompat: Acids, sol sulfates, citrates, tartrates, chlorides.
<br /> iu(PbCOs)• mitnditer[PbCl2.3 carbonate,afkalies.tannin. phosphates. resorcinol,xlicYlic fool in water;sol in dil HNO3.
<br /> ite IPbC12.3PbsCP03)r] 67 (195 acid. PM1enol, chloral hydrat, sulfites, vegetable infusions, 5237. Lead Chlonte. CIIOsPb: moi wt 374.12. Cl
<br /> n: Heuser. MetalG 9, tinctura. LD,i.p.in rats: 2W m8/kg.Bradley.Frederick. 18.93%.O 25.66%a Pb 55.39%. Pb(CIOs)r
<br /> Ziegfeld, Eng. Mining J-;153,. Ind M¢d 10, Ind. Hyg. Sat 2, I3(1941)' Colorless. deliquex crystals. Poisonousl d 3.9. Dec at
<br /> 1952), prep, of high purity I B,alningl Avoid breathing dust. Wear dust mask ap- 2�. Sol in O.7 part water,freely in alcohol.
<br /> 629 (1952)' proved by U.S. Bureau of Mines for this purpose. Wash
<br /> . Ind. hnik (l 34, 393 (194
<br /> n. Technik (Berlin) 2, thoroughly before eating or smoking. Keep away from feed 5238 Lad Chloride, C12Pb;mol wt 278.12. Cl 25.49%.
<br /> ghes ✓. Electrachem. Sac. 101, _, or food products. This substance has been listed as a carcut Pb 74.50%. PbCI, Occursm nature as the mineral cotun-
<br /> Met imf.59,494(1967), CA. „gen d the Second Annual Report on Carcinogen(NTP 81- site.
<br /> of lead,its alloys and compds: 43. 1961)pp 149-151. While. cryst Powder. Poisonous/ d 5.85. mp 501'. by
<br /> ad Alloys, properties and Tech USE: DYang and Printing cottons;weighting silks:manuf 950•. Sol in 93 parts cold water, 30 Parts boiling water:
<br /> ng.Ed., 1970)551 pp:Abzl is lead salts.chrome-Ye11ow;also for various analytical prose- seedily of in soln of NHsCI. NHsNO,, alkali hydroxides:
<br /> emistry Vol.2,J.C. Behar.3r. dares, e.8 detection of sulfide, determination of CIOs. slowly in glycerol. MLD orally in guinea pigs: 1.5-2.0
<br /> Oxford. 1973) pp 105.14& : MOOS. g/kg, Handbook of Toxicology Vol. 1. W. S. Spector,
<br /> Ed.
<br /> Encyclopedia of Chemical Tech nEaAP CAT: Astringent. (Saunders.Philadelphia. 1956)pp 176-177.
<br /> COOS, New York. 3rd ed., 1981) THERaP OAT(vED: Astringent and sedative(usually in lo- USE: Manu( Pattion's white lead, Verona Yellow. Tur-
<br /> cinogrnicity studies of lead and, tions) for bruises and superficial inflammation. Has been ner's Patent Yellow, lead oxychloride; as solder and flux.
<br /> raphs 23, 323-415(1980). used internally in diarrheas.
<br /> gray metal. Highly lustrous w 5239. Lad Chroyellow-
<br /> L ipzig Chrome yellow: w; C.1 a yel-
<br /> 5129. Lead Antimonate(V). Naples Yellow. APProx low; Kings Yellow; 77600 Yellow; Paris Yellow: C.I. P
<br /> pan exposure to air. Vete , Pb3('b04)2.
<br /> cast, lolled. and extruded merit Ye11o19 8 C.I. 64.11 C bCrO mol Occurs
<br /> in not. CrCs
<br /> 327.4•:by 1740'. dm 1134;d at Orange-yellow powder. Sint in wale!,dil acids. t6 09% O 19 BO%.- 64.11%. Pba,". Recurs in nature as
<br /> l., Naturwisv 41, 326(1954). H WE: As pigment in oil painting, staining glass, crockery the minerals crocofre, phcentcachmite. Ret: Colour Index
<br /> 06 call, Heat capacity (209: 0. and porcelain. vol.4(3rd ed., 1971)p 4677.
<br /> ohm-em) at 20': 20.65: at 1 rax PbHAsO Occurs in Yellow or orange-yellow powder. d 6.3. mp 844'. It is
<br /> at 33(Y: 96.74. Vapor pressure. 5230. Lead Arsenate. App 3' one of the most mol suits(0.2 mg/I H2O). insol in acetic
<br /> E° (aq) Pb/Pb2i }0.126 v. nature as the mineral schultenite. acid: sol in solos of fixed alkali hydroxides. in dil HNO3.
<br /> loses H2O and is converted into us tarsen itc. Insol in wa- LD,i.p.in guinea Pigs: Ed.mg/kg. Handbook, Phila of Philadelphia,
<br /> 1950-
<br /> on (027 X 10 X thermal
<br /> l cond:19 White,heavy powder. d into
<br /> d 3.79. At about 2. - +01. 1,W. S. Spector. Fd. (Saunders, Philadelphia. 1956)
<br /> 14') 27 X 10-s:thermal ,Kin d 176-177.
<br /> 0-to 0.077 at 225': Franc',Kin :p sol in , 125 caustic alkalies. LD, in rats. rabbits: 8Y
<br /> 80 (1954); viscosity of molts approx 825. 125 m6/k6 an11Y• Voigt et al. J. Am. Pharm. P usE: Pigment in oil and water colors: Printing fabrics.
<br /> (4000 2'32 cP•(6W9 ' 54 cp•( 4,sac:3 , c2(1948). of various insecticides for larvae of decorating china and porcelain; in chemical analysis of ar-
<br /> ty and fiat of Fusion study: game substances:in traffic paints.
<br /> San 76 4824 (1954); hardness I` gypsy moth,boll weevil,etc. Note: Basic lad chromates of various shades of color
<br /> hardness(high purity); t THERAP CAT (VM: Has been used as a teniacide; insecti- from brown-yellow to red are used as pigments.
<br /> 30,6350 945). Resets with hot ode.
<br /> ng coned hYdrocFiI'm or sulfuric 5231. Lad Arsenfte. APProx Pb(As02)2: 5240. Lad Ch basic
<br /> led Oxide. Chromic acid tead-
<br /> ter, wok organic acids in :fie p White powder. Poisonous/ d 5.83. Insol in water:sol in f2+) roti f/:2); basic lead chromate: red lad chromate:
<br /> water.hydrofluoric acid. P chrome red; chromium lad oxide: Persian red: Austrian
<br /> I to tap .hl HNOs. cinnabar. CrPb205:mol wt 546.40. C 9.32%, Pb 75.84%.R
<br /> Acute: most common in young chil ISE: As insecticide like the arsenate. 14,64%. PBCrOs.PbO. See: Ca/our index vol.4,(3rd ed..
<br /> anorexia.
<br /> vomiting, malaise. CO leave '1,14%.
<br /> 5232. Lead Azide. NsPb.mol wt 291.26. N 28.86%.Pb 1971)P 4677.
<br /> sed intracranial pressure. may '1,14%. Pb(Ns)¢. Prepd from sodium azide and lad nitrate: Red powder. Inol in water.
<br /> mage. Blood lad increased above O.'S Schenk in Handbook of,preparative Inorganic Chemistry vol. USE: As piBmrnt.
<br /> tldreO show weight)ass.
<br /> weakness, d1uiio 1, G. Brauer. Ed. (Academic Press. New York. 2nd ed.. 5741 Lead Dioxide. Lead oxide brown: lad peroxide:
<br /> g in adults is usually occuP, :. :963)p 763. Most complete dexripti,n: B. T. Fedoroff et lad superoxide. 02Pb; mol wt 239.21. O 1338%. Pb
<br /> of lad dust or fumes. Wnstdtop alCld� .. Encyclopedia of Explosives and Related Items vol. 1 (Pic- 86.62%. Occurs in nature as the mineral platmerite. Lab
<br /> ore often there are vague Ge of uriae'S .ninny Arsenal. Dover. N.I.. 1960)PP A545-4587. re n from lad Secrete and calcium hypochlorite: Newell,
<br /> tent of blood >0.05 mg Needles or white powder. Explodes at 350°or on Pcrcus- Maxson, Inorg. Syn. 1,45(1939):by hydrolysis of lad Ace-
<br /> r support a diagnosis of Pb poisoning'._ ,on. Hat of formation (259: +110.5 kcal/mol. Soly in tale: Kuhn, Hammer. Be,83,413 (1950).
<br /> n test using Edathamil may be M1elPclixr, later: 0.023%at 18': 0.09%al 71Y. Freely sof in acetic acid.
<br /> b absorption. Review of toxicity: Cbxfi': Dark-brown powder; evolves oxygen when hated, (test
<br /> I mol to NH40H. forming Ph304.at high temp P60. d 9.38. Insol in water:
<br /> ommertial Products,R. E.Gosselm¢t *,` CSE: As rimer in explosives. Generally used in the form
<br /> Y of in HCI with evolution of Cl; in dal HNO3 to presence of
<br /> ilkins, Baltimore.4th ed.. 1976)Sects* .f dextcinated lad azide. Hp oxalic acid.or other reducers;sol in alkali iodide solns
<br /> d Toxicity.R. L.Singhal.I.A.Tho�: with bbemtion of iodine:soluble to hot caustic alkali solns.
<br /> hwarmilberg. Baltimore. 1980) and 5233. Lead Borate. ApProx Pb(B02)2.H2O.
<br /> n6•
<br /> gy vol. 1,W. S.Spector, Ed. (Saunders. Philadelphia. '956)
<br /> on material for tank linings, Min White powder. Poisonous! Insoluble to water: soluble in LD3a i.p.in gains pigs: 2W mg/kg. Handbook0 oxlco c-
<br /> andling corrosive gaga and ties ° �'`- .hl HNOP
<br /> ric acid. pair refining, M1elogenation. - rsE: Drier for varnishes and paints: with other metals pp,SE6 (Electrodes in batteries; oxidizing agent in manuf
<br /> n, condensation; for x-ray and atc.g., Ag) in galvanoplasty for production of conducting
<br /> n: manuf of tetnethyllad, pIBrnL11 :"�Mngs on glass, pottery.Porcelain. and chinaware. dyes:as discharge in dyeing with indigo:manuf to
<br /> sub-
<br /> organic and inorganic lad cc S. Page 777
<br /> Consul(the cross index before using this Section,
<br /> tion.
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