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Table 2 The furnace programme for the determination of beryllium in serum.

From: Study on the effects of nitrilotriproprionic acid and 4,5-dihydroxy-1,3-benzene disulphonate on the fractionation of beryllium in human serum using graphite furnace atomic absorption spectrometry

Step

Temp (°C)

Time (s)

Argon flow rate (L min-1)

Drying

85

5

0.3

Drying

95

30

0.3

Drying

120

20

0.3

Pre-pyrolysis

450

22

0.3

Pyrolysis

1000

17

0.3

Atomizing

2900

3

0

Cleaning

2900

2

0.3