By the carbonification degree in the concentrated sulphuric acid, the mineral wax, such as paraffin wax added can be determined.
根据蜂
烃类在浓硫酸可被炭化，加入石等矿
不被炭化来测定此类掺杂。
By the carbonification degree in the concentrated sulphuric acid, the mineral wax, such as paraffin wax added can be determined.
根据蜂烃类在浓硫酸可被炭化，加入石等矿不被炭化来测定此类掺杂。
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