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产品描述
2ml无针注射器（2ml一次性针筒），外壳和推杆均为为PP材质，化学稳定性好，避免了传统的一次性注射器由于推杆上的橡胶与样品发生反应而污染样品。和一次性针头式滤器连用，专门用于色谱分析中样品的过滤和净化。
