Paperback, in-8, 15 pp.
The **Report of the Committee on Atomic Weights**, published in 1893 by **F.W. Clarke**, was a significant scientific document focused on determining the atomic weights of chemical elements.

### **Background:**
- During the late 19th century, the concept of atomic weights played a crucial role in the development of chemistry. Accurate measurements of atomic weights were essential for understanding chemical reactions, developing the periodic table, and standardizing scientific data.

### **Clarke's Role:**
- F.W. Clarke, an American chemist and geologist, was a leading authority on chemical analysis and atomic weights. He compiled and critically reviewed the available data on atomic weights from various sources worldwide.

### **Purpose of the Report:**
- The committee aimed to provide standardized, reliable atomic weight values based on experimental data. This helped ensure consistency in scientific research and industrial applications.

### **Key Features:**
1. **Data Compilation:** Clarke and his committee gathered experimental results from leading chemists.
2. **Critical Analysis:** They evaluated the accuracy of measurements and methods used.
3. **Recommendations:** The report recommended updated atomic weights for various elements, helping refine the periodic table.

### **Impact:**
- The 1893 report advanced chemical standardization globally and influenced the International Union of Pure and Applied Chemistry (IUPAC), which later formalized atomic weight determinations. Clarke's work contributed to the ongoing refinement of atomic weights that continues today.