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GB/T 26322-2010: Examination of nitrite bacteria in industrial circulating cooling water -- MPN test
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| GB/T 26322-2010 | English | 229 |
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Examination of nitrite bacteria in industrial circulating cooling water -- MPN test
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GB/T 26322-2010
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Basic data | Standard ID | GB/T 26322-2010 (GB/T26322-2010) | | Description (Translated English) | Examination of nitrite bacteria in industrial circulating cooling water -- MPN test | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G76 | | Classification of International Standard | 71.040.40; 13.060.70 | | Word Count Estimation | 10,139 | | Date of Issue | 2011-01-14 | | Date of Implementation | 2011-12-01 | | Quoted Standard | GB/T 603; GB/T 6682 | | Regulation (derived from) | National Standard Approval Announcement 2011 No.100 | | 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 determination of industrial cooling water in Central Asia nitrifying bacteria. This standard applies to the determination of industrial cooling water in Central Asia nitrifying bacteria. Also applies to raw water, measuring domestic water and slime Central nitrifying bacteria. | GB/T 26322-2010: Examination of nitrite bacteria in industrial circulating cooling water -- MPN test
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Examination of nitrite bacteria in industrial circulating cooling water. MPN test
ICS 71.040.40; 13.060.70
G76
National Standards of People's Republic of China
Determination of water in Central Asia denitrifying bacteria industrial cooling
MPN method
MPNtest
Issued on. 2011-01-04
2011-12-01 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 Petroleum and Chemical Industry Association.
This standard by the National Standardization Technical Committee of Chemical Water Treatment Chemicals Branch (SAC/TC63/SC5) centralized.
This standard is drafted by. CNOOC Tianjin Chemical Research & Design Institute, Guangzhou City Special Pressure Equipment Inspection and Research Institute.
The main drafters. Zhang Quan, Lin, Li-hua, thick Teng open, Du Yuhui.
Determination of water in Central Asia denitrifying bacteria industrial cooling
MPN method
1 Scope
This standard specifies the method for determination of industrial cooling water in Central Asia denitrifying bacteria.
This standard applies to the determination of water in Central Asia denitrifying bacteria industrial cooling, but also for the raw water, domestic water and slime Central denitrifying bacteria
Determination.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the edition are not applicable to the present
file. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 603 chemical reagent test method Preparations of articles (GB/T 603-2002, ISO 6353-1 with. 1982,
NEQ)
GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)
3 Method summary
After at 28 ℃ ~ 30 ℃, incubation sample 14d, Gris's first use (Griess) reagent qualitative judgments nitrosobacteria existence
in. If the solution is red, indicating a positive reaction; if the solution is not red, indicating a negative reaction. Then using MPN technique is
Test samples of nitrification bacteria counts.
4 Reagents and materials
4.1 standard reagent, unless otherwise specified, shall use analytical reagent and in line with GB/T 6682 stipulated three of water.
Test preparation and the desired products, did not indicate when the other requirements, according to GB /603 provisions of the preparation T.
4.2 ammonium sulfate.
4.3 calcium carbonate.
4.4 sodium dihydrogen phosphate.
4.5 dipotassium hydrogen.
4.6 manganese sulfate (MnSO4 · 4H2O).
4.7 magnesium sulphate (MgSO4 · 7H2O).
4.8 pairs of amino acid.
4.9 α- naphthylamine.
4.10 hydrochloric acid solution. 111.
4.11 acetic acid solution (10%).
4.12 Sodium hydroxide solution. 40g/L.
4.13 ethanol. volume fraction of 75%.
4.14 kraft paper.
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