By the carbonification degree in the concentrated sulphuric acid, the mineral wax, such as paraffin wax added can be determined.
根据蜂中烃类在浓硫酸中可,加入等矿不来测定此类掺杂。
By the carbonification degree in the concentrated sulphuric acid, the mineral wax, such as paraffin wax added can be determined.
根据蜂中烃类在浓硫酸中可,加入等矿不来测定此类掺杂。
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