作业帮upvc cpvc pvdf管的析出物对比图
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upvc cpvc pvdf管的析出物对比图
upvc cpvc pvdf管的析出物对比图
upvc cpvc pvdf管的析出物对比图
只找到了这3种材料的,国内没听说过做过这方面的测试
PVDF-UHP PP-PURE PP-natural
February 2002 May 2003 February 2002
OD 63 OD 63 OD 63
Fluoride 7732 < 1.8 < 3.9
Chloride 78.0 6.5 348.3
Nitrite < 9.1 1.7 < 6.7
Bromide < 5.5 < Blank < 3.9
Nitrate < 18.7 1.8 < 9.9
Phosphate 74.2 < Blank < 12.7
Sulphate 11.4 < 2.0 56.8
Oxalate 43.6 < 1.7 38.2
Lithium < 0.9 < Blank < 0.6
Sodium 6.8 0.6 > 87.7
Ammonium 36.6 680 > 82.3
Potassium 3.8 9.6 < 4.1
Magnesium 2.5 1.8 27.4
Calcium 19.5 4.1 22.2
Iron 1.1 0.5 1.5
Copper 0.7 < 0.3 < 0.3
Nickel < 0.2 < 0.3 0.0
Zinc 3.1 27.9 13.7
Cobalt < 0.2 < 0.2 < 0.1
Manganese< 0.5 < 0.6 4.9
Aluminum 2.0 9.40 43.8
Barium < 0.3 26.00 0.7
Boron < 0.7 < Blank < 2.2
Chromium< 0.7 < Blank 0.8
Lead < 0.3 < 0.60 < 0.2
Strontium < 0.3 < 0.30 < 0.2
TOC 8975 49071 88841