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GB/T 35496-2017 Active
GB/T 35496-2017 Chemical reagent—General method for the determination of nitrate
Abstract
This standard specifies the general methods for determining nitrate using the colorimetric method of sodium indigo sulfonate (Indigo Carmine) and the colorimetric method of brucine.
This standard is applicable to the determination of trace nitrate in chemical reagents. The detection range of the spectrophotometric method or visual colorimetric method of sodium indigo sulfonate (Indigo Carmine) is 0.2 μg/mL to 4 μg/mL (calculated as NO3); the detection range of the colorimetric method of brucine is 0.3 μg/mL to 6.5 μg/mL (calculated as NO3).
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 35496-2017 |
| CCS | Chemical reagents |
| ICS | Chemical reagents |
| Implement Date | 2018-07-01 |
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