The Significance of Evaporite Mineral Removal in Salt Lake Sediment Particle Size Analysis：A Case Study from Lop Nur

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This research aims to improve the accuracy of sediment particle size analysis by removing evaporite minerals from Lop Nur sediments.
Analyzed sediments from Lop Nur salt lake.
Implemented a preprocessing step using saturated sodium carbonate solution to remove sulfate minerals.
Compared new method results with traditional sediment size testing methods.
The new method's mineral removal percentage curves matched geological compositions better than traditional methods.
Particle size analysis aligned more closely with sedimentation patterns typical of Central Asian arid lake sediments.
The approach increased accuracy in reflecting the sediment's clastic particle size composition.

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Case study demonstrates enhanced particle size accuracy in sediment analysis, highlighting implications for environmental reconstruction.

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YI et al. (2026) studied this question.

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