样 品 前 处 理 技 术 讲 座
description
Transcript of 样 品 前 处 理 技 术 讲 座
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??
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2030min10-910-12g
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60%()70%80%
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;
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4
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120.11g
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34,5670
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123504
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1
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23
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4510mg/ml(1%)
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1 mg/ml(0.1%)0.5 mg/ml(0.05%)1000
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6
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1
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2
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60HgSe2520099%2000.075mm200.84mm100g200
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200
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1
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AGB 6682-86GB 6682-86 a0.2m
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bc
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GB 6682
pH255.0-7.525s/cm< 0.11.05.0254nm1cm< 0.0010.01SiO2 mg/L< 0.020.05
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B
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1G.R.2A.R.3C.P.
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999.99%99.999%99.9%
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gAlAl1.00006M HClAlCl36H2O8.94811M HClAsAs1.00004M HNO3As2O31.32034M HClCaCaCO32.49720.5M HNO3Ca(NO3)24H2O5.8920
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1mg/ml100-150ml1000ml1-10g/ml5-10% HNO3HCl
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3
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3+1
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1HNO365-69%69%16mol/L68%HClHFHNO3H2S
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2 HClHCl12mol/L,36%HClHClAsSbSnSeTeGeHg
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3HF38%40%W/W48%W/WHF38.3%HF22mol/L112HFHFSiF4HFSiBAsSbGe
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HFHFPTFE250320400HFHClHNO3HClO4
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HFHFHFH3BO3HClO4H2SO4HFHClO4203H2SO4340PTFEHClO4HF
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4HClO4HClO4HClO4HNO3HNO3/ HClO4HNO3HClO4HClO4
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HClO4HClHNO3HFHClO4KRbCs10%CrCrOCl3VVOCl3
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5H2SO4H3PO4340PTFEPTFE260327BaSrPbCa
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6Aqua-regia16mol/LHNO3 12mol/LHClNOClCl-
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1 A)
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aba450-550AsHgSeCdPdZn
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1-1.5g5ml0.5450-50042ml1ml
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b
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I. 6048HgSe25II.0.5000-1.0000gPTFE5mlIII.5ml80241805ml
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IV. 11mlV.NO234/VI. 5ml18011ml
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VII. 12ml1mlVIII. 50mlab
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BHF/HClO4HFSiF4SiHF/HClO4
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aI. 0.25g10550mlPTFE15mlHClPTFE20-30II. 5ml 110mlIII. 15ml HF1mlHClO4PTFE1225
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IV. 7ml1+150ml7%V. HF
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500600480
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HgSeAsGeSnTeCrCrOCl310%IIIHF/HClO4
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bHgSeAsSbBiI. 0.5-1.0g50mlII. 1015ml1+1III. 1IV. SeTeHNO3HClO4
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cIII20mlHNO3HCl=3:1 v/v
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C /1002415010
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a6048HgSe25b 0.2000.500gc 48mld 1002415010
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e 48ml12ml15031906f 2ml5mol/L 5010ml8mlg
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D 0.2g100ml30ml1+2CWNb0.2g10ml10HF6070100ml
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0.2g200ml10ml14ml1+1+23040ml100mlSiP
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0.2g150ml85ml50+4+9421g231%1100ml
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I II III CSi< 1%WNbSi WNbCSiP
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IV CCSiPV HFWMoWMoVI
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VII SiP
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b100ml20ml1+1
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100ml200ml3+1+4100ml20ml6+1+7
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100ml20ml1+1100ml10ml20%20ml1+1100ml100ml
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100ml10mlHF100ml100ml20ml1+1100ml
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I II SiSiIII IV V
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VI SiSiVII VIII Si
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2AsBCrHgSbSeSn
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PTFEPTFE110250
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712MPa1020%
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PTFE0.25g3ml23ml1402
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1mm
(g)mlh0.2HF10+HClO41025010.8HF10+HClO41024050.1HF10220-2301-31.0HF12+HClO41024010
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0.2000g0.5ml HNO35mlHF1
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HFI 2.00gH3BO3130151mol/L HNO3II HFHFSiSiF4Si
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3 PFATFM
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AHNO3I 0.5gII 6mlHNO31mlH2O2III
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IV 250W10W1250W5400W5650W5V VI PTFEVII 90
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VIII 0.2ml HNO3 1.0ml /IX 0.5ml 25ml0.3mol/L HNO3VIII/
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B ICP
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HClHFHClO4H2SO4H3PO4H2O2
HClHNO3H2O2
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4LiBO2Li4B4O7Na2CO3NaOHNa2O2
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0.1g0.5gLiBO2100051050ml 5%5%100ml0.1g1g9501000401+2HCL
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A) ///SiF4
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B)AsSbBiHgSeGeSnPbAsSbBiHg0.5g50ml10ml1+11201%HClAsSb20ml0.2g0.1g20BiHg
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A(U3O8)TBPU2(NO3)2,
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B)PbZnCdNiMnFeVDDTC
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141514
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A1.000g5mlHFB6-7g 700510C400ml10%50ml2%NaOH1mol/L EDTA 1ml2%MgCl21ml10
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D200ml2% NaOH10-2028ml1+1HCl 2% HCl80ml1.6gE)0.4-0.6ml/min20ml 2% 0.8mol/L 80ml 1.5 mol/L HCl 60ml 1.75 mol/L HNO3
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F)150ml 4mol/L HCl 5ml50ml1ml10ml
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A)99.999%MnCrFeMgPbAlZnCuCaAu3+NaOHHClAu1mg/mlAu
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b)In(OH)3Cr3+MnCoNiCuCdPbpH9.5 In(OH)3HClppt
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1ICP-MS40234
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1
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2
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1
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2
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1 GPS2
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)
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12
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3410-12
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SPE1)()
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2)C8C183)NH
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SPE510min11010
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()
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15min(1h48h)GCMS
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(immnuoaffinity chromatographyIAC)SPEIACIAC
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IAC70.8941HohzappleIACLCFLDGodfrey(MON)IAC()CooperIAC75
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IACIACIAC
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1234
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CO2CO2 NH3 MeOHNO2CClF3
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1)
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2)
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3)CO245 82 90 114 NH3NO2CClF3
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1986Ganzler
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()()
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()