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GB/T 29422-2012: Methods for dealing with the waste solution of chemical analysis of cement
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 29422-2012 | English | 169 |
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Methods for dealing with the waste solution of chemical analysis of cement
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GB/T 29422-2012
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Basic data | Standard ID | GB/T 29422-2012 (GB/T29422-2012) | | Description (Translated English) | Methods for dealing with the waste solution of chemical analysis of cement | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q11 | | Classification of International Standard | 91.100.10 | | Word Count Estimation | 7,738 | | Regulation (derived from) | National Standards Bulletin 2012 No. 42 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the chemical analysis of cement waste of heavy metals, barium, chromium, mercury, copper, and waste acid, waste alkali treatment. This standard applies to chemical analysis of cement waste emissions. | GB/T 29422-2012: Methods for dealing with the waste solution of chemical analysis of cement---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Methods for dealing with the waste solution of chemical analysis of cement
ICS 91.100.10
Q11
National Standards of People's Republic of China
Chemical analysis of cement waste treatment method
Issued on. 2012-12-31
2013-08-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Building Materials Federation.
This standard by the National Standardization Technical Committee cement (SAC/TC184) centralized.
This standard is drafted by. China Building Materials Science Research Institute, China Building Material Test Certification Center Co., Ltd.
Participated in the drafting of this standard. Shenzhen Hirota Decoration Group Co., Ltd.
The main drafters of this standard. Wangguan Jie, Wang Ruihai, Yan Wei Zhi, Li Shaojiang.
This standard is the first release.
Chemical analysis of cement waste treatment method
1 Scope
This standard specifies the chemical analysis of cement waste of heavy metals, barium, chromium, mercury, copper and waste acid, waste alkali treatment.
This standard applies to chemical analysis of cement in the waste emissions.
2 Reagents
2.1 General
Unless otherwise indicated, the reagents used for industrial or not less than pure technical grade reagents.
The density of the criteria listed in commercially available concentrated liquid reagent refers to the density of 20 ℃ (ρ), in units of grams per cubic centimeter (g/cm3).
By volume indicates that the reagent dilution. For example. hydrochloric acid (12) represents a part by volume of concentrated hydrochloric acid and 2 parts by volume of aqueous phase.
2.2 hydrochloric acid (HCl)
1.18g/cm3 ~ 1.19g/cm3, the mass fraction of 36% to 38%.
2.3 sulfate (H2SO4)
1.84g/cm3, the mass fraction of 95% to 98%.
2.4 Ethanol (C2H5OH)
Volume fraction of 95%.
Hydrochloride 2.5 (11)
1 part by volume of concentrated hydrochloric acid and 1 parts by volume of water.
2.6 sulfuric acid (19)
1 part by volume of concentrated sulfuric acid slowly into 9 parts by volume of water, and mix.
2.7 anhydrous sodium sulfate (Na2SO4)
solid.
2.8 Sodium hydroxide solution (50g/L)
5g of sodium hydroxide (NaOH) is dissolved in water and diluted with water to 100mL, stored in a plastic bottle.
2.9 Potassium hydroxide solution (200g/L)
200g of potassium hydroxide (KOH) dissolved in water and diluted with water to 1L, stored in a plastic bottle.
2.10 ferrous sulfate (FeSO4 · 7H2O) or ferrous ammonium sulfate [Fe (NH4) 2 (SO4) 2 · 6H2O]
solid.
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