Home / Standards / GB/T 29056-2025 GB/T 29056-2025 Active Determination of impurity content in trichlorosilane for silicon epitaxy—Inductively coupled plasma mass spectrometry 硅外延用三氯氢硅中杂质含量的测定 电感耦合等离子体质谱法 Standard Type GBT ICS 77.040 CCS H17 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 国家标准委 Drafting Unit N/A