ϺһgӭĹR

 
  • aƷԔ


һNҺwΑBĻWˎڇ᷿еѭhˮ_ϴϵyЧسȥѭhˮ黯weϸ؄em܇IʹõĆνMݻpMݵ܄ϸOϵy

 

 

ԣ

^                         oɫ\SɫҺw

ɷ                         ˮۺ

ܶ/20 g/cm3                                      1.000.02

pHֵ1%ˮҺ             5.01.0

 

ʹ÷

 ֱքӻüϱԄӼϵyѭhˮ̎܄r茢pHֵpH7-8.5ڷ^ĭaɼ҂݄ʹwʹ÷Ո҂ṩĮaƷʹf

 

 

̖ͬʼۣom1 20-50^