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Hu00f2a tan 0,2 g CTS vu00e0o 20 ml u0111u1ec7m CH3COOH 0,25M/CH3COONa 0,25M<br>cho u0111u1ebfn khi tan hou00e0n tou00e0n, lu1ecdc dung du1ecbch qua mu00e0ng lu1ecdc 0,45 uf06dm (Millipore<br>filters). Lu1ea5y 5 ml dung du1ecbch vu1eeba pha, thu00eam vu00e0o 5 ml dung du1ecbch u0111u1ec7m vu1edbi nu1ed3ng<br>u0111u1ed9 nhu01b0 tru00ean khuu1ea5y u0111u1ec1u thu u0111u01b0u1ee3c dung du1ecbch u0111o.<br>https://baigiangdientu.net/
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