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LIRCON®Vaseline ọcha

Nkọwa dị mkpirikpi:

Ngwaahịa a na-acha ọcha ma ọ bụ na-acha odo odo na-acha odo odo, enweghị isi ma ọ bụ ọ fọrọ nke nta ka ọ ghara isi.Ọ dị ntakịrị soluble na ether, mana ọ fọrọ nke nta ka ọ ghara ịsọpụrụ na ethanol ma ọ bụ mmiri, nke bụ waya ịbịaru ngwa ngwa.

[Ebe mgbaze] Ebe mgbaze bụ 45 ℃ ruo 60 ℃.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Lelee agba

Ọnụ ego 10.0 g nke ngwaahịa a na-ekpo ọkụ ka ọ gbazee na beaker site na mmiri ọkụ na-ekpo ọkụ, wee wụsa ya na tube colorimetric.Agba adịghị omimi karịa mmiri mmiri a na-achịkwa (na-agbakwunye 0.2ml ọla kọpa sulfate ngwọta n'ime potassium dichromate colorimetric ngwọta nke 7.8ml, wee maa jijiji. N'ikpeazụ, Were 2.5ml ngwọta diluted na 25ml mmiri).

Ojiji

mmanu, ude, na ncha mmetụta kọntaktị na akpụkpọ ahụ.


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