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Standard
| GB/T 35496-2017 Chemical reagent―General method for the determination of nitrate (English Version) |
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Detail of GB/T 35496-2017
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Introduction of GB/T 35496-2017
本标准规定了靛蓝二磺酸钠(靛蓝胭脂红）比色法和马钱子碱比色法测定硝酸盐的通用方法。�
本标准适用于化学试剂中微量硝酸盐的测定。靛蓝二磺酸钠(靛蓝胭脂红）分光光度法或目视比色法的检测范围为0.2 μg/mL～4 μg/mL(以NO�3计）；马钱子碱比色法的检测范围为0.3 μg/mL～6.5 μg/mL(以NO3计)
Contents of GB/T 35496-2017