In general, the repetition rate should be reduced to about 10%. You can check it yourself first. ACS still has high requirements for this. ACS is generally lower than 30%, single article is lower than 4%, and duplicate checking does not include references.
The duplicate checking rate is generally not higher than 25%, and some slightly strict duplicate checking rates are not higher than 20%. However, the repetition rate of core journals is often very strict, generally not exceeding 15%, and some may even require not exceeding 10%, and the requirements of each core journal are different, ranging from 10% to 15.
Acs duplicate checking rate requirement
For the top sci-tech journals in the industry, the duplicate checking rate is very strict, and different types of academic journals have different requirements for duplicate checking rate.
The requirements of general periodical papers are not very strict, the duplicate checking rate is generally not higher than 25%, and some slightly strict duplicate checking rates are not higher than 20%, while the requirements of core periodical papers are often very strict, generally not exceeding 15%, and some may even not exceed 10%, and the requirements of each core periodical are different, 10%.