Objective: To prepare purified products (reference substances) of tannin from Galla Chinensis and formulate their quality standards.

目的：制备五倍子鞣酸精制品(对照品)及制定质量标准。

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Inquiry treatment: prepare and provide a minimum order, check quotation, delivery date and other, formulate the quotation.

询价处理：准备和核对报价，提供最小订购量，交货期等，制订报价单。

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Inquiry treatment: prepare and provide a minimum order, check quotation, delivery date and other, formulate the quotation.

询价处理：准备和核对报价，提供最小订购量，交货期等，制订报价单。

youdao