国家标准物质-标准物质实验室【北京华研】
USGS53-0.25 μL  Lake Shala Distilled Water in silver tube, batch of 50
Lake Shala Distilled Water in silver tube, batch of 50  Lake Shala Distilled Water in silver tube, batch of 50  0.25μL  
USGS53-0.15 μL  Lake Shala Distilled Water in silver tube, batch of 50
Lake Shala Distilled Water in silver tube, batch of 50  Lake Shala Distilled Water in silver tube, batch of 50  0.15μL  
USGS50-0.25 μL  Lake Kyoga Water in silver tube, batch of 50
Lake Kyoga Water in silver tube, batch of 50  Lake Kyoga Water in silver tube, batch of 50  0.25μL  
USGS50-0.15 μL  Lake Kyoga Water in silver tube, batch of 50
Lake Kyoga Water in silver tube, batch of 50  Lake Kyoga Water in silver tube, batch of 50  0.15μL  
USGS49-0.25 μL  Antarctic Ice-core Water in silver tube, batch of 50
Antarctic Ice-core Water in silver tube, batch of 50  Antarctic Ice-core Water in silver tube, batch of 50  0.25μL  
USGS49-0.15 μL  Antarctic Ice-core Water in silver tube, batch of 50
Antarctic Ice-core Water in silver tube, batch of 50  Antarctic Ice-core Water in silver tube, batch of 50  0.15μL  
USGS48-0.25 μL  Puerto Rico Precipitation in silver tube, batch of 50
Puerto Rico Precipitation in silver tube, batch of 50  Puerto Rico Precipitation in silver tube, batch of 50  0.25μL  
USGS48-0.15 μL  Puerto Rico Precipitation in silver tube, batch of 50
Puerto Rico Precipitation in silver tube, batch of 50  Puerto Rico Precipitation in silver tube, batch of 50  0.15μL  
USGS47-0.25 μL  Lake Louise Drinking Water in silver tube, batch of 50
Lake Louise Drinking Water in silver tube, batch of 50  Lake Louise Drinking Water in silver tube, batch of 50  0.25μL  
USGS47-0.15 μL  Lake Louise Drinking Water in silver tube, batch of 50
Lake Louise Drinking Water in silver tube, batch of 50  Lake Louise Drinking Water in silver tube, batch of 50  0.15μL  
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