Environmental Engineering Reference
In-Depth Information
Zone 2
Glass
Ni-Resist (up to 20% at 75°F)
Silicon iron
Impervious graphite
Hastelloy B and D
Tantalum
Durimet 20 (up to 150
°
F)
Gold
Worthlie (up to 150°F)
Platinum
Lead
Silver
Copper (air-free)
Zirconium
Monel (air-free)
Nionel
Haveg 43
Tungsten
Rubber (up to 170°F)
Molybdenum
10% aluminum bronze (air-free)
Type 316 stainless (up to 25% at 75°F) aerated
Zone 3
Glass
Impervious graphite
Silicon iron
Tantalum
Hastelloy B and D
Gold
Durimet 20 (up to 150°F)
Platinum
Worthite (up to 150°F)
Zirconium
Lead
Molybdenum
Monel (air-free)
Zone 4
Steel
Ni-Resist
Glass
Type 316 stainless (above 80%)
Silicon iron
Impervious graphite (up to 96% H 2 SO 4 )
Hastelloy B and D
Tantalum
Lead (up to 96% H 2 SO 4 )
Gold
Durimet 20
Platinum
Worthite
Zirconium
Zone 5
Glass
Lead (up to 175°F and 96% H 2 SO 4 )
Silicon iron
Impervious graphite (up to 175°F and 96% H 2 SO 4 )
Hastelloy B and D
Tantalum
Durimet 20 (up to 150
°
F)
Gold
Worthite (up to 150°F)
Platinum
Zone 6
Glass
Tantalum
Silicon iron
Gold
Hastelloy B and D (20-50 mpy)
Platinum
Zone 7
Glass
Gold
Silicon iron
Platinum
Tantalum
Zone 8
Glass
Worthite
Steel
Hastelloy C
18Cr-8Ni
Gold
Durimet 20
Platinum
Zone 9
Glass
Worthite
18Cr-8Ni
Gold
Durimet 20
Platinum
Zone 10
Glass
Platinum
Gold
137
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