VDI 2267 BLATT 1-2018由VDI - Verein Deutscher Ingenieure 发布于 2018-11-01,并于 2018-10-30 实施。
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VDI 2267 BLATT 1-2018 Determination of suspended matter in ambient air - Measurement of the element concentration after sampling on filters - Determination of Al@ As@ Ba@ Ca@ Cd@ Co@ Cr@ Cu@ Fe@ K@ Mg@ Mn@ Na@ Ni@ Pb@ Sb@ Se@ Sn@ Tl@ V@ and Zn by GF-AAS@ ICP-OES@ or ICP-MS的最新版本是哪一版?
最新版本是 VDI 2267 Blatt 1-2019 。
Using the internal calibrations of the CONFOCHECK the secondary structure and concentration of the analyzed protein are determined directly after measurement (ca. 30 sec.).Temperature-induced unfolding...
It must be appreciated, therefore, that using BSA (or any other protein for that matter) as a standard only gives an approximate measure of the protein concentration....
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