GB/T 1282-2013 Translated English of Chinese Standard. (GBT 1282-2013, GB/T1282-2013, GBT1282-2013): Chemical reagent - Phosphoric acid [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This Standard specifies shape, specification, test, inspection rules, packaging as well as marks for chemical reagent - phosphoric acid. This Standard is applicable to inspection of chemical reagent - phosphoric acid. |
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Contents
| 3 | |
Scope | 5 |
Shape | 6 |
Test | 7 |
Inspection rules | 12 |
Annex A Informative Pressurized ion exchange device | 14 |
Common terms and phrases
100mL volumetric flasks according to provisions Add 5mL ammonium ferrous sulfate analytical reagent atomic emission spectrometry cadmium Calculate result according chemical pure Chemical reagent colorimetric solution takes contains following quantities copper coupled plasma atomic darker than standard Dilute to 10mL Dilute to scale Edition exchanger rubber plug ferrous sulfate standard Flow of pressurized Guaranteed reagent hydrochloric acid hydroxide standard titration inductively coupled plasma ion exchange device manganese molar mass nickel Open exchanger rubber Perform same processing phosphoric acid place in 100mL portions in total potassium Preparation of standard pressurized ion exchange processing with sample provisions of 7.2.1 provisions of 7.2.3 provisions of GB/T reducing substance Respectively determine according sample mass sample simultaneously sodium hydroxide standard solution that contains standard colorimetric solution standard solution standard titration solution standard turbidity solution sulfate standard titration sulfuric acid Take 10mL test solution titrate till solution Volatile acid Weigh 10g 6mL Weigh 5g 3mL zinc