HSY-2331A -1二氧化硫殘(can)留量測定儀(yi)
HSY-2331A二(er)氧(yang)(yang)(yang)化(hua)硫殘(can)(can)留量測定(ding)(ding)玻璃裝置,本裝置是根據(ju)中(zhong)華人(ren)民共和(he)國2020版(ban)藥典要求二(er)氧(yang)(yang)(yang)化(hua)硫殘(can)(can)留量測定(ding)(ding)法(fa)所規(gui)定(ding)(ding)的第一(yi)法(fa)要求設(she)計制(zhi)造的。本方(fang)法(fa)系將中(zhong)藥材以蒸(zheng)儲法(fa)進行處理,樣品(pin)中(zhong)的亞硫 酸(suan)鹽系列物質加酸(suan)處理后(hou)轉化(hua)為(wei)二(er)氧(yang)(yang)(yang)化(hua)硫后(hou),隨氮氣流帶 入到含有雙(shuang)氧(yang)(yang)(yang)水的吸收瓶中(zhong),雙(shuang)氧(yang)(yang)(yang)水將其氧(yang)(yang)(yang)化(hua)為(wei)硫酸(suan)根離子,釆用酸(suan)堿(jian)滴定(ding)(ding)法(fa)測定(ding)(ding),計算(suan)藥材及飲片中(zhong)的二(er)氧(yang)(yang)(yang)化(hua)硫殘(can)(can)留量。