土壤凍干機(ji)真空冷(leng)凍干燥步驟:
設(she)備(bei):XY-FD-S3凍干(gan)機(ji) 樣品(pin):土壤(rang)
1.樣本準備(bei),將(jiang)采集(ji)的土壤樣本收(shou)集(ji)到密閉的非金屬容器;
2.根(gen)據樣品分隔要求,將(jiang)土壤樣本放置物(wu)料盤內;
3..放入(ru)凍干機內(nei),開始(shi)制(zhi)冷,在低溫下進行預凍;
4.預凍結束后,執行(xing)干燥程序;可直接調用內(nei)嵌干燥程序;
5.干(gan)燥結束后收集凍干(gan)機土壤樣(yang)本,保存需真空密(mi)封;
6.停機(ji),化霜(shuang)清潔。

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