推荐:准确测定系列9:Contamination From Reagents
Figure 9.3 shows the total extractable fluoride, chloride, and sulfate ions from cut fluoropolymer parts following extraction.2Fig 9.3: Fluoride, Chloride, and Sulfate Ions from Cut Parts- Extracted for 5 days in 18 MΩ Di H2O at 85°C for 1 hour -
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Figures 9.1 and 9.2 show total trace metals and major contributing ions for cut parts and from PFA 1 resin pellets and extruded tubing following extraction.2Fig 9.1: Total Trace Metals & Contributing Ions for Cut Parts- Extracted for 5 days in 10% ultrapure HNO3 at 25°C -Fig 9.2: Total Trace Metals & Major Contributing Ions from PFA 1 Resin Pellets and Tubing- Extracted for 5 days in 2% ultrapure HNO3 at 25°C -
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试剂的沾污（主要是水和酸），我认为作高纯物质尤其要注意
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