This standard specifies the method for the determination of molybdenum by spectrophotometric colorimetry. This standard applies to the determination of molybdenum in feed.
GB/T 17777-1999 history
2009GB/T 17777-2009 Determination of molybdenum in feeds-Spectrophotometry
1999GB/T 17777-1999 Determination of molybenum in feedstuff--Spectrophotometry