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品質(zhì)標(biāo)準(zhǔn)
Quality standard
|
專案 Item |
指標(biāo) Specification |
|||
|
飲用水處理用 · For drinking water treatment |
非飲用水處理用 · For undrinkable water |
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|
固體 Solid |
固體 Solid |
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|
優(yōu)等品 Premium Grade |
一等品 First grade |
一等品 First grade |
合格品 |
|
|
氧化鋁（Al2O2）含量% Aluminium Oxide (as Al2O2) |
≥32.0 |
≥29.0 |
≥29.0 |
≥27.0 |
|
鹽基度 % Alkalinity |
60.0-85.0 |
50.0-85.0 |
50.0-85.0 |
45.0-85.0 |
|
水不溶物含量 % Water insoluble |
≤0.5 |
≤1.5 |
≤1.5 |
≤3.0 |
|
PH值（1%水溶液） Ph value (1% aqueous solution) |
3.5-5.0 |
3.5-5.0 |
3.5-5.0 |
3.5-5.0 |
|
硫酸根（SO4）含量% Sulfate radical |
≤9.8 |
≤9.8 |
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