13.020CCS

10

DB36 36/T

1842—2023土壤和沉積物

16

種稀土元素的測定

微波消解-電感耦合等離子體質(zhì)譜法Soil

and

sediment-Determination

of

16

rare

earth

elements

including

Cerium

etc.by

microwave

assisted

acid

digestion-inductively

coupled

massspectrometry2023-09-18

發(fā)布 2024-03-01

實(shí)施江西省市場監(jiān)督管理局 發(fā)

布

18422023

II

10

11

12

13

14

................................................

..........................................

................................................

...............................................11

14

1842??本文件按照

《標(biāo)準(zhǔn)化工作導(dǎo)則

部分：標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)定起

18422023

本文件規(guī)定了用微波消解-電感耦合等離子體質(zhì)譜法測定土壤和沉積物中鑭、鈰等16種稀土元素的16

6682

17378.5

166

494

613

5.1

5.2

1842

6.1

GB/T

6682

6.2

6.3

6.4

（HClO4）=1.67

6.5

20

mL

980

mL

6.6

100

mL

100

mL

6.7

mg/L

=100

6.8

6.9

103Rh、185Re

6.10=100g/L

～1000g/L。6.11

6.12氬氣：純度≥

6.13 氦氣：純度≥

7.1

amu～250

0.6

amu。7.2

7.3

℃。7.4

7.5

mm（100

7.6

8.1

166

25.2

494

8.2

166

17378.5

0.15

100

8.3

1025

18422023

613

17378.5

8.4

0.1

5.0

mL

硝酸（6.2）、1.0

mL

1.0

mL

5min～10min

50mL

表1

表1

8.4

9.1

點(diǎn)燃等離子體后，儀器預(yù)熱穩(wěn)定

。根據(jù)

的操作規(guī)程，用質(zhì)譜儀調(diào)諧液（6.11）對儀9.2

9.3

6.86.5

1.05.010.020.050.010.020.0

1842表2

表2

9.4

每個(gè)試樣測定前，先用硝酸溶液（6.5）沖洗系統(tǒng)，待分析信號穩(wěn)定后才可開始測定。試樣測定時(shí)6.106.5

9.4.110

10.1

1842202310.211

11.1

11.2

12

12.1

0.99912.2

12.3

12.4

10%

10

70%130%12.5

10%

10

30%12.6每分析

20

個(gè)樣品或每批次（少于

20

個(gè)樣品批）樣品，應(yīng)分析一次校準(zhǔn)曲線中間濃度點(diǎn)，其測定10%30%

184213

14

14.1

12h

14.2 14.3

14.40.040.160.040.160.020.080.060.24(Pr)0.010.04(Nd)0.030.120.030.12(Eu)0.030.120.030.12100.020.080.030.1212(Ho)0.020.0813(Er)0.030.12140.020.0815(Yb)0.020.08160.010.04

18422023

4589(Pr)(Nd)(Gd)1012(Ho)13(Er)1415(Yb)16

1842

GSS-27GSS-34GSD-3aGSD-23S1S2GSS-27GSD-3aS1S2GSS-27S1S2Sc1.1~7.10.3~7.20.9~4.85.510.78.051.290.901.620.871.293.104.553.413.601.491.440.8~100.7~14.11.453.213.994.722.090.705.873.956.707.592.822.158.4~3.70.6~6.61.0~3.03.142.773.143.713.319.205.625.419.865.061.391.2~8.90.7~9.51.0~2.15.968.815.439.985.955.288.166.269.056.795.71Pr0.4~6.00.7~9.50.4~12.30.830.800.931.290.700.381.661.451.361.591.270.851.2~6.50.9~9.61.0~8.13.633.373.444.532.680.699.257.635.507.363.942.01Sm0.2~8.20.5~9.30.3~6.412.913.20.610.740.590.880.680.281.681.771.001.411.780.58Eu0.1~8.40.05~1612.410.415.99.700.440.590.420.370.150.2~8.010.37.814.614.015.30.941.040.930.720.580.272.061.552.662.021.740.660.05~7.27.616.860.170.010.240.310.2~5.80.4~6.40.3~12.20.420.410.410.570.440.160.560.710.580.830.760.430.06~15.74.310.44.06.715.716.020.070.170.310.12Er0.1~7.80.2~9.50.09~4.44.500.310.320.390.300.120.350.560.460.500.630.22

1842

C.1

GSS-27GSS-34GSD-3aGSD-23S1S2GSS-27GSD-3aS1S2GSS-27S1S20~7.70.02~15.96.010.39.07.18.412.20.090.060.090.150.030.150.060.3~8.00.2~9.60.07~4.67.013.417.30.460.320.260.450.360.170.500.470.440.690.830.440.03~13.20.02~7.15.07.310.40.070.080.090.080.060.100.090.07

2023

C.1

10

Sc3.66.0±6.4±9.0±4.6Pr±6.0±7.7Sm±6.5Eu6.2±8.0±3.5±Er3.53.06.2±6.010.010±4.68.7±9.3±8.4

18422023

D.1

D.1

7.86.04.05.013.45.08.23.712.16.412.59.912.5±7.012.6±8.04.53.9

1842D.2

D.2

P±2S

91.910.091.9±20.098.22.898.2±5.691.82.691.8±5.291.55.387.87.787.8±15.585.213.787.69.587.6±19.088.36.993.71.893.7±3.797.76.287.03.587.0±6.986.14.986.1±9.990.09.290.0±18.393.66.795.010.395.0±20.683.710.989.17.689.1±15.294.44.494.4±8.795.09.895.0±19.589.69.691.77.991.7±15.896.45.594.59.594.5±19.089.96.794.18.694.1±17.297.74.397.9±8.5±95.86.395.8±12.697.71.497.7±2.7±12.294.84.694.8±9.2

18422023D.3

D.3

1842???

of

and

Press,2004,1-112.

43