资料摘要
资料下载The working range is 0.2 to 4 mg/m 3 (as V) for a 500-L air sample. The method will determine V 2 O 5 , V 2 O 3 , and NH 4 VO 3 separately on the same sample.
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简介：Multi Tube Vortex Mixer offers high capacity vortexing up to 2500rpm. The digital vortex mixer can hold 60 x 7 mL blood tubes to 6 x 250 mL flasks.
NIOSH9000纯银微孔滤膜过滤X射线衍射法测定空气中的石棉和温石棉
简介：Antigorite (massive serpentine), Chlorite, Kaolinite, Bementite, and Brushite interfere. X-ray fluorescence and absorption is a problem with some elements; fluorescence can be circumvented with a diffracted beam monochromator, a nd absorption is corrected for in this method.
NIOSH7506纯银微孔滤膜过滤X射线衍射法测定空气中的碳化硼
简介：The working range is 0.2 to 4 mg/m 3 for a 500-L air sample. The method is specific for determining respirable boron carbide among other mine dusts.
NIOSH7505纯银微孔滤膜过滤X射线衍射法测定空气中的硫化铅
简介：The working range is 0.06 to 4 mg/m 3 for a 500-L air sample. The method is specific for lead sulfide among other mine dusts.
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