|
關(guān)注：1
2013-05-23 12:21
求翻譯：稱取風(fēng)干土樣0.3000g，放于50ml離心管中，加入0.3M檸檬酸鈉20ml、1M重碳酸鈉2.5ml水浴加熱至80℃后加連二亞硫酸鈉0.50g，不斷攪拌維持15min。冷卻后離心分離，將浸提液轉(zhuǎn)入250ml容量瓶，重復(fù)一次，最后用1MNaCl洗滌離心管2次，洗滌液轉(zhuǎn)入同一容量瓶，定容后采用等離子發(fā)射光譜儀（VISTA-MPX）測(cè)定鐵、鋁含量[12]是什么意思？ 待解決
 懸賞分：1
- 離問(wèn)題結(jié)束還有
稱取風(fēng)干土樣0.3000g，放于50ml離心管中，加入0.3M檸檬酸鈉20ml、1M重碳酸鈉2.5ml水浴加熱至80℃后加連二亞硫酸鈉0.50g，不斷攪拌維持15min。冷卻后離心分離，將浸提液轉(zhuǎn)入250ml容量瓶，重復(fù)一次，最后用1MNaCl洗滌離心管2次，洗滌液轉(zhuǎn)入同一容量瓶，定容后采用等離子發(fā)射光譜儀（VISTA-MPX）測(cè)定鐵、鋁含量[12]
問(wèn)題補(bǔ)充： |
|
2013-05-23 12:21:38
Said to take air-dried soil samples 0.3000g, put in a 50ml centrifuge tube, add citric acid, sodium 20ml 0.3m, 1m sodium bicarbonate 2.5ml water bath heated to 80 ℃ after the dithionite 0.50g, stirring constantly to maintain 15min. Cooled centrifuge, the extract transferred to a 250ml volumetric fla
|
|
2013-05-23 12:23:18
Samples of the soil from drying on the 0.3000 G, 50 ml centrifuge tube, add 0.3 M citric acid and 20 ML, 1 ml 2.5 M sodium carbonate as well as re-heats up to 80 after the degrees C sodium laureth sulfate derived from the 2 0.50 G, 15 min of continuous agitation. After cooling, the centrifugal liqui
|
|
2013-05-23 12:24:58
正在翻譯，請(qǐng)等待...
|
|
2013-05-23 12:26:38
Take the air dry clay-like 0.3000G, in 50ml in the centrifuge tube, add 0.3M 2.5ml sodium carbonate sodium citrate 20ml, 1M water bath heated to 80 degrees centigrade and even two sodium sulfite after 0.50g, constantly stirring to maintain 15min. After cooling the centrifugal separation, will extrac
|
|
2013-05-23 12:28:18
The name takes air seasoning soil sample 0.3000g, puts in the 50ml centrifuge tube, joins 0.3M sodium citrate 20ml, 1M the sodium bicarbonate 2.5ml heating in water bath to 80℃ add-on sodium hydrosulfite 0.50g, stirs unceasingly maintains 15min.After cooling the centrifugal separation, changes over
|
湖北省互聯(lián)網(wǎng)違法和不良信息舉報(bào)平臺(tái) | 網(wǎng)上有害信息舉報(bào)專(zhuān)區(qū) | 電信詐騙舉報(bào)專(zhuān)區(qū) | 涉歷史虛無(wú)主義有害信息舉報(bào)專(zhuān)區(qū) | 涉企侵權(quán)舉報(bào)專(zhuān)區(qū)
