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pHÖµ£º ~ 1.7 (100 g/l H2O,20 °C)
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Ãܶȣº1.665 g/cm3 (18 °C)
ËÉ×°Ãܶȣº~ 560 kg/m3
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±¥ºÍÕôÆøѹ£¨hPa£©£º< 0.1 (20 °C)
ÐÁ´¼/Ë®·ÖÅÉϵÊýµÄ¶ÔÊýÖµ£º-1.72 (20 °C)
ÏûÈÚÐÔ£ºË® 1330 g/l (20 °C) ÒÒ´¼ 383 g/l(100 °C) ÒÔÌ«
΢ÈÜÆäËûÀí»¯ÐÔ×Ó£ºÈÈÆÊÎöζȣº175 °C
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º¬Á¿Assay ≥99.5% ≥99.0%
³ÎÇå¶ÈÊÔÑéClarity of solution ≤4 ≤6
Ë®²»ÈÜÎïInsoluble matter in water ≤0.005% ≤0.01%
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Residue on ignition(as SO4) ≤0.02% ≤0.07%
ÂÈ»¯ÎïChloride(Cl) ≤0.0005% ≤0.005%
ÁòËáÑÎSulfate(SO4) ≤0.005% ≤0.03%
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