HJ/T 32-1999
Stationary source emission. Determination of phenols. 4-Amino-antipyrine spectrophotometric method 固定污染源排气中酚类化合物的测定 4-氨基安替比林分光光度法 |
GB/T 2464-1996
Pyrites and concentrate--Determination of arsenic content--Ag-DDTC spectrophotometric method 硫铁矿和硫精矿中砷含量的测定 Ag-DDTC分光光度法 |
GB/T 16019-1995
Workplace air--Determination of chromium trioxide,chromates and dichromates--Diphenylcarbazide spectrophotometric method 车间空气中三氧化铬、铬酸盐、重铬酸盐的二苯碳酰二肼分光光度测定方法 |
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