2. Synthesis process: 1mol of high-purity germanium and 2mol of high-purity sulfur are vacuum melted at high temperature and pressure, followed by zone melting after subsequent treatment;

3. Purity: 5N (99.999%)

3. Detection: ICP-MS (all impurity elements are lower than 10ppm), XRD (no Germanium monosulfide impurity);

4. Packaging: three layers of Vacuum packing or argon filled protection;

5. Service: MSDS and practical protective measures;

6. Application: Scientific research, specific details not available