1、ICS 73.040D 21+4-I:fA_K Pt 7-JAZ Af,GB/T 19227-2008p3fTt GB/T 476-2001,GB/T 19227-2003,GB/T 18856.12-2002*117Mrp1-K&MDRIJ-I-*-ADetermination of nitrogen in coal(ISO 333:1996,Coal-Determination of nitrogen-Semi-micro Kjeldahlmethod,MOD;ISO/TS 11725:2002,Solid mineral fuels-Determination ofnitrogen-Se
2、mi-micro gasification,MOD)2008-07-29&3h 2009-05-01 r 1A&AiGB/T 19227-2008ISO 333:1996(AX0j%J(3ISO/TS 11725:2002t(f 1 hJl J)1c 7 i)().I LLV,A IN-f AiTlf rr-17ISO 333:1996*A,tA-y Xfffl-%ARff5R B3d,-r*JTI(t.4-a s-7ISO/TS 11725:2002f-o*%14-1j ISO 333:1996 fA ISO/TS 11725:2002 j TirpltT17plTYTC Jara 01Xi
3、ti.ntF I rRffll Cr pT*TI-17 ISO 333:1996a0fA7KtF#1XATY ffl 0J-%ARffJRD rP Lh-f*#,I-7 ISO/TS 11725:2002 Jc WAi11T11f,*fPf 1 t7T-A1 1 t:a)Jl X11CJ1;b)%rlh1kfFEi.f+Yi11lhiJ7tc)119 PT,f/TIC-ii t 7 VT,;d)e)J R IN P/r%T 0,M7 A*f,T,ff tGB/T 476-2001(90,7:*f fj)M 4 18856.12-2002(7kM 12fs53:7k1+y!1)A GB/T 19
4、227-2003(3VffljA&,rPAM,*t/TIt-r7 GB/T 476-2001 h 4 iJcJxt MELIr ft ATfJAT*tit 3f EE!J 7k*fov 3);111 CTi6 DTI vaJ n JJ%F jt(2001!4.2.9.2,3.2.8.2);tJATp/Ti Aftf/T IXf(fPf k,WJIN3.2.8.2);3.2.9);huT):Eti ATs3.3.2.4);f,hnT1(rd J (Ix 3.3.3);faflAT 14ut _(*rX 3.4.1);fJAtf?iiAAs Af 17fP7i(X 3.4.4);IaJATikn3
5、Ii tPtJA7kAkJ(X 3.4.4);bAT zni4-4YYJ J,i V0,(*VA 3.5.3)*f/TI-jGB/T 18856.12-2002 tMIr,-JE ft#(A-F:fl9+Jf,7 1R7k)9;11K i4 4 f7 0,Pk7 A-(2002 3*)1tii1 Ei GB/T 19227-2003 tic fJiA F-1T(2003 IPM 3.1,*Jt 4.2.3);-11 C-f n Tff f tPt(2003 IF,3.6,*J 4.2.5);taAT7k i f JA7JA jiL(*fl 4.4.5);faJA7k t(*4.4.6);f1Q
6、 C(I 1 pE3J(*N4.5.6),fiT,IYJ R1f JA A,R1f 3R B,Pff SR C*A Rff iR D)i J,f4 ft RffIGB/T 19227-2008*tTTI F MXP-TAi rAL*#%rIfa-q*-ft:J 3x-*Of IfT,IP,a4A:-PJM J,TO,JR,A i,M L,Tf,1i/GB/T 476-1964,GB/T 476-1979,GB/T 476-1991,GB/T 476-2001;GB/T 18856.12-2002;GB/T 19227-2003IIGB/T 19227-20081 IM*#/rr Mpt TJM
7、,ARfA7 9v+xw1J+tit-4 fflkiAfp-*TfC WA,fA!,i4Pifnt1f,1Xit*,i4I,ULI R,it91x-l2FJ17r rii#,rEtafr,A(TE,#-Ji&0,N 9)40iT*J!T,%)IJ T*f%r,fTq,saM VM*tttL1Gtf An-rr)YfAAt TJx*o ILTi a1 1)1x1,Jj-J1#aoGB/T 212 JXWJZ%3-ffr)JA(GB/T 212-2008,ISO 11722:1999:I,)1171:1997;ISO 562:1998,NEQ)GB 474 lb$9-)&(GB 474-1996,
8、egv ISO 1988:1975)GB/T 483)jr31*ris:)Y l-PA J;,Q3$1 tJFJ:F i53.1*i i l.$ildX-JsK 1 7JJ ii,fJnAa1J T J*A;,iA#+i(7K.1uAd-ftOXk OVA 4V-A#0 q Afm R,Va affl6L Tlit Va iAc,fffJxWJ*IL0 J),3.2 iitIJ3.2.1%qyy(J/-f-0111:44gX-*J,*It RfiA t r 1 lL 64 101(i01 32 g+5 g+0.5 g)q,1itL1LY.J/q/l7o3.2.2LO3.2.3 A4 M9 F.
9、3.2.4 X3.2.5 c7Jc J:1J&i i4 PN 9t A-ff,I-VIJIJ3.2.6%ee a%x74 449,LTJJ M 370 g ff TtM 30 g V7 T7JC ,ME$q),1 000 mI.Vo o3.2.7 WRV-:30 g/L,4430gWO Al L*VP,AETjJBJhU3.2.8 1jt&fT,4r&:c(2 HZSO441=0.025 mol/Lo3.2.8.1 it J,?Wr0 VJrJ:T/1 000 mLlyJ 40mL,M-,7C,f?i lk 0.7 mL(3.2.2)yjJpl#,Jp7J J 1%J6qo3.2.8.2;VT
10、 J r:iRX#t J z 0.02 g(0.000 2g)V15%t130 C T T9 J9,Wtp kJYL*fi MM(3.2.5),JjI L(50-60)mL IX TS Z(IrijJpA(2-3)liFP T67,l(3.2.9)6,;T-,7 rW AA F,3r JJg,o A ILf f11 f-Lfrk 4)a1-4%I11GB/T 19227-2008&t.IVA(1)itmin0.053V.(1)c iiZ r%1 7&j,11 JI i7:3f(mol/L);m1X JI c cJ JI,T 7(g);V iT I,7 J1(mL);0.053Rf1(2 Na2
11、CO3)J/Tl1 id,-I1)7A14r1l(g/mmol),2 A 1T,kfC471.TcTMJ1X)CT 0.000 60mol/L,1 JXJ1 iWA,61 f%ra V o lx,11 r o0.00060mol/L,444h1 t 2&.i48 71p1J 17t#r%CFIx;(7 8&p0i0.00060 mot/L,nlI it Aipr f,T TIr f H R*TI-111 _ r1ilN1:4?-(f rol)gFn,Mr T71%JJE o3.2.9 T 1R4a rAN:1 g/Lo3.2.10 FM l AV.FP 4 4 4-o r 3,i1a)f,IK
12、X 0.175 g F I7,rk 50 mL95 o 7-r,TT-T)I;b)IX 0.0,93 g+1.Y,9,A 50 mL95%Z,lt4ri;c)IIj 011a)*Ab)13;t1:1R ao%A1:er.MJ(ffl 4q-PA S,!Vi1MJ3.3(tt*3.3.1 A R R E3.3.1.1 PEi:1 50 ml-,3.3.1.2V-Arc,I-:ATzMh30 mm,3.3.1.3 jJA 1:5#I IJ i(1 J=Ja 15 jljIII V11)1l-:(_f,#U%K-4rq,A ifmy0.1 g Pm*JJT 10023.3.1.4 hA P:VAri
13、I W,Rg R 350 C,3.3.2 tIRTU A2)RI 2-tjRI3.3.2.1 ffF A:MI 250 mL,3.3.2.2:250 mL,3.3.2.3 300 mm,3.3.2.43fEEf*:1TzgJ 55 mm,3.3.2.5 I91E:1 000 mL,3.3.2.6fJAk:rjJ 10003.3.3mL,3JJ 0.05 mL,3.3.4fffX:!I0.1mg,GB/T 19227-20083GB/T 19227-20083.4,FJJ:H3.4.1MM)-LTJRVLI rJN:F 0.2mm 4,T)a71(0.20.01)g(f/I,f Y 0.000
14、2 g),50 mL ffK(3.3.1.1)A%rt Al T IJ2 gfA t 5 mL.#AFn14ff xiJA(tJ LJ,3 3 C#F J=ifl ills l o JAJ i/J L#3 T o#St;fJA 4 fi1 k f J v y)MA3501,A A MR 1 0 il HA,0T/fyJ,T11 91 1$1 c JIL.A Aft T7-U fMi 4HI,A7 14 9-qfl-4-i0.1 mmL:l-F,4-#-V*A7i f1AAAiMf t-y ffF(0.2-0.5)g.rJ3SIa1AGVA IAT-FM Itc o3.4.2 1IR 77 p,
15、7Klfi)q,250 mL F1)ftt(3.3.2.1)-1,JIJ hi7JQ,IEAhk Ai4 3 Y7 Mo M9#7J0,Y!#-A H IJJ A1T,-YJ,A-hAANil A i#JI*o.3.5 0ut3Y3.5.1#7J L lif 1111-i31L ff t i A3.5.3 LITf111 Tj0.05 mLh 2?14FJ g*rRNac(VI-VZ)X0.014X100(2)7nc171V,V20.0141:T7kJ1,Jrj:+3t(mol/L);T laplR,T17(g)1 1A Tf(OMfd,fAttft(mL);fffJ rJ,11 J5 r(g
16、/mmol).M(fA to J(PYJrj,rcAFn-J(1,A,(AJI if 00X a GI3/T 483#A14o1)3sc GB/T 18856.1(vck i M 1 afs;:5 J 4(k;I I1,i;(4GB/T 19227-20083.6.27)E7k1 r JM&Mt r J A(3)itX:N,wm-Nad X 100-M,wm100-M;,dNadMcwmMadk1JSc(2)ii 7,4tJ4.1*i i 1$Y1 050 CAA7J,i4915X1 it It afvl t u I tAol!,ATt ml JfoTjM97ri i Ic tM fp4 VTI?WVif Mr V FPM-#TTIL%i o Ja*it9 l)I3 co4.2 i-it PJffWW644.2.1 7 1L:n 3.2.5,4.2.2(1t e4.2.3 Q Mi:Fj 3.2.7,4.2.4 1,T-LN r,250 g/L,250g TAM T1L i;k,f7(J4.2.5 O L MT,MV7:n 3.2.8,4.2.6 FP Mj4:3.2.9,9,4.2.
