Table 2 The four erionite individual fiber sample preparation conditions.

From: Determining factors affecting the accuracy of SEM-EDX data-based quantitative chemical analysis for identifying naturally occurring individual carcinogenic erionite fibers

ID

Conditions

Preparation conditions

Dry and air dispersed

Dry air-spread on carbon tape

Dry erionite bulk samples in powder form were air-spread on carbon tape

Deionized water dispersed

Deionized water dispersion and filtration

Erionite bulk samples were dispersed in deionized water and filtrated on PC filters

Digested (bulk)

H₂O₂ treatment and filtration (bulk samples)

Erionite bulk samples were put in H2O2 (48 h at RT, 9 h at 90 ̊C), then added to deionized water and filtrated on PC filters

Digested (bulk + dust)

H₂O₂ treatment and filtration (bulk and dust samples)

Erionite bulk and dust samples collected from the vicinity of the outcrop were put in H2O2 (48 h at RT, 9 h at 90 ̊C), then added to deionized water and filtrated on PC filters

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