db52t 741-2012 焦性沒食子酸

1、ICS71.100G60DB52貴州省地方標(biāo)準(zhǔn)DB52T741－2012焦性沒食子酸Pyrogallol20120228發(fā)布20120328實施貴州省質(zhì)量技術(shù)監(jiān)督局發(fā)布DB52T741－2012I目次前言................................................................................II1范圍.................................

2、.............................................12規(guī)范性引用文件....................................................................13術(shù)語和定義........................................................................14要求...............

3、...............................................................15試驗方法..........................................................................25.1安全提示.....................................................................

4、.25.2一般規(guī)定......................................................................25.3外觀的判別....................................................................25.4焦性沒食子酸的測定——高效液相色譜法..........................................

5、25.5熔點測定......................................................................35.6澄清度試驗....................................................................35.7灼燒殘渣的測定......................................................

6、..........35.8沒食子酸試驗..................................................................45.9硫酸鹽（以SO42計）測定........................................................45.10氯化物（以Cl計）測定.............................................

7、...........45.11鐵、鉛的測定——火焰原子吸收光度法...........................................56檢驗規(guī)則..........................................................................77標(biāo)志、包裝、貯存和運輸...................................................