17总砷测定的标准操作规程2566.pdf

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1、 xxxxx 344.1GB5009.11-20144.24.2.1 ICP4.2.2GB/T66824.2.2.1 4.2.2.1.1HN03:MOSBVE4.2.2.1.2 H2O2 4.2.2.1.3LiYCe TiCo,10ng/ml。4.2.2.1.4Ge,100Ug/mL。4.2.2.1.5 NaOH 4.2.2.2 422212+98 20mL980mL422221+9100mL900mL42223Ge1.0ug/mL1.0mL2+98 100mL o 42224100g/L 10.0g100mL422.3.As2O399.5%。4.2.2.44.2.2.4.1100mg/LAs

2、100 C2h0.0132g1mL100g/L 100mL4C4.2.2.4.21.00mg/LAs1.00mL100mg/L 100mL 2+98 4.2.31+4 24h4.2.3.1ICP-MS4.2.3.2423.3423.450 C 300 C）423.550 C 200 C）423.6423.70.1mg1mg 4.2.44.2.4.1 4.2.4.1.14.2.4.1.24.2.4.1.34C4.2424.2.4.2.1 2.04.0g 0.001g5mL30min 0.20.5g 0.001g5mL30min1325mL 31./mi nC)/mi n11200W100%512

3、0621201516060W 00%/r/min3/%20 1 5min 19)02010W50 00%50 30 5 /mi n(C)/mi n11200W100%5120621200W100%51801031200W100%519015 2.3.2.00ml-5.00ml 5mL120 C25mL34.2.4.3RF1550W 1.14L/min 7mm 2 C；NiNi 75AS=75AS77M(3.127)82M(2.733)83M(2.757)m/z7572Ge/4.2.4.4.27075305380100305410014030751001803054.242.2 140-160

4、C 3-4 0.20-1.0g O.OOIg1.0-5.0g0.001g1.00mg/L 2+98 0.00ng/ml1.0ng/mL5.0ng/mL10ng/mL50ng/L 100ng/L 4.2454.2.51（c ）X V X 1 000 000 X 1 000 1X:mg/kg（mg/L）C:ng/mL C0:ng/mL V:mLm:（gmL）1000 42620%o4271g25ml0.003mg/kg0.010mg/kg。4.34.3.1 4.3.2GB/T66824.3.2.1 4.3.2.1.1 NaOH 4.3.2.1.2 KOH 4.3.2.1.3KBH4 4.321.4

5、 CH4N2O2S）4.321.5 HCI 4.3.2.1.6 HNO3 4.3.2.1.7 H2SO4 4.3.2.1.8 HCIO4 4.3.2.1.9 Mg（NO3）2.6H2O 4.3.2.1.10MgO 4.3.2.1.11 C6H8O6 4.3224.3.2.2.15g/L 5.0g1000mL 4.3.2.2.2KBH420g/L 20.0g1000mL5g/L 4.3.2.2.3+：10.0g80mL,，10.g,100mL4.3.2.2.4100g/L 10.0g100mL 4.3.2.2.5150g/L 15.0g100mL 4.3.2.2.6（1+1）100mL100mL

6、 4.3.2.2.71+9 100mL900mL432282+98 20mL980mL4.323 As2O399.5%。4.3.2.44.3.2.4.1100mg/LAs100 C2h0.0132g 1mL100g/L 100mL4C1.00mg/LAs1.00mL100mg/L 100mL 2+98 4.3.34.3.3.14.3.3.20.1mg1mg。4.3.3.34.3.3.44.3.3.5 50 C-200 C 4.3.3.6 4.3.44.3414.2.4.1 4.3.4.2 4.3.4.2.1 1.02.5g5.010.0g mL0.001g50100mL 20mL 4mL1.2

7、5mL 1mL510mL2mL25mL25mL+2mL30min4.342.2 1.02.5g4.00ml g0.001g50100mL150g/L10mL1g550 C41+1 10mL25mL+2mL1+9 25mL30min4.3.4.3260V50-80mA 500mL/min 800mL/min 4.34425mL61.00g/mL0.00mL0.10mL0.25mL0.50mL1.5mL3.0mL 0.0ng/mL4.0ng/mL10ng/mL20ng/mL60ng/mL120 ng/mL 1+9 12.5mL+2mL 30min 4.3.4.54.3.52（c Co）X V X 1 000 -m X 1 000 X 1 000 2X:mg/kg（mg/L）C:ng/mL C0：ng/mL V:mLm:（gmL）1000 43620%4371g25ml0.010mg/kg0.040mg/kg