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GB/T 6276.3-2010: Determination of ammonium hydrogen carbonate for industrial use -- Part 3: Sulphide content -- Visible turbidimetric method
Status: Obsolete GB/T 6276.3: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 6276.3-2010 | English | 199 |
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Determination of ammonium hydrogen carbonate for industrial use -- Part 3: Sulphide content -- Visible turbidimetric method
| Obsolete |
GB/T 6276.3-2010
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| GB/T 6276.3-1986 | English | 199 |
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Ammonium hydrogen carbonate for industrial use--Determination sulphide content--Visible turbidimetric method
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GB/T 6276.3-1986
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PDF similar to GB/T 6276.3-2010
Basic data | Standard ID | GB/T 6276.3-2010 (GB/T6276.3-2010) | | Description (Translated English) | Determination of ammonium hydrogen carbonate for industrial use -- Part 3: Sulphide content -- Visible turbidimetric method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G12 | | Classification of International Standard | 71.060.50 | | Word Count Estimation | 5,513 | | Date of Issue | 2010-06-30 | | Date of Implementation | 2011-01-01 | | Older Standard (superseded by this standard) | GB/T 6276.3-1986 | | Quoted Standard | HG/T 2843 | | Regulation (derived from) | National Standard Approval Announcement 2010 No.2 (Total No.157) | | 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 use of visual turbidimetry industrial hydrogen sulfide content of press. This section applies to industrial hydrogen sulfide by the Determination. | GB/T 6276.3-2010: Determination of ammonium hydrogen carbonate for industrial use -- Part 3: Sulphide content -- Visible turbidimetric method
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Determination of ammonium hydrogen carbonate for industrial use Part 3. Sulphide content Visible turbidimetric method
ICS 71.060.50
G12
National Standards of People's Republic of China
Replacing GB/T 6276.3-1986
Determination of ammonium bicarbonate industrial
Part 3. sulphide content Visible turbidimetric method
Part 3. Sulphidecontent-Visibleturbidimetricmethod
Issued on. 2010-06-30
2011-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 6276 "industrial use - Determination of ammonium bicarbonate method" is divided into nine sections.
--- Part 1. ammonium bicarbonate content of acid-base titration;
--- Part 2. potentiometric titration of chloride content;
--- Part 3. sulphide content Visible turbidimetric method;
--- Part 4. sulphate content Visible turbidimetric method;
--- Part 5. ash content by weight method;
--- Part 6. iron content - Phenanthroline spectrophotometric method;
--- Part 7. arsenic content diethyl dithiocarbamate silver spectrophotometry;
--- Part 8. arsenic content Gutzeit method;
--- Part 9. heavy metal content Visible turbidimetric method.
This part of GB/T 36276 Part of.
This Part replaces GB/T 6276.3-1986 "industrial use - Determination of ammonium sulphide content Visible turbidimetric method."
This portion of the GB/T 6276.3-1986 The main differences are.
--- Reagent solution, standard titration solution preparation and calibration methods such as the implementation of HG/T 2843 standard.
This part is proposed by the China Petroleum and Chemical Industry Association.
This part of the National Standardization Technical Committee centralized fertilizer and soil conditioner.
This section drafted by. National Fertilizer Quality Supervision and Inspection Center (Shanghai).
The main drafters of this section. Qu Xin, Zhong Wenyi.
This section was first issued in 1986.
Determination of ammonium bicarbonate industrial
Part 3. sulphide content Visible turbidimetric method
1 Scope
GB/T 6276 This section provides the use of visual turbidimetry industrial sulfide content of ammonium bicarbonate.
This section applies to the determination of ammonium sulfide content industry.
2 Normative references
The following documents contain provisions which, through reference to GB/T 6276 to the present, constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
HG/T 2843 fertilizer products for chemical analysis commonly used standard titration solution, standard solution, reagent solution and indicator solution
Principle 3
Alkaline test solution was added to the lead-acid salt solution to produce a tan suspension sulfide and sulfide particles, turbidity standard determined by comparing
Sulphide content.
4 Reagents and materials
The following part-corrosive and toxic reagents, the operator should be careful as splashed on skin, immediately wash with water, if not
It should be treated immediately.
This part of the reagent solution and water, in the specifications and method of preparation is not specified, it shall comply with the provisions of HG/T 2843's.
4.1 sodium sulfide;
4.2 potassium hydroxide;
4.3 Lead acetate;
4.4 Potassium citrate;
4.5 chloroform;
4.6 Lead-acid potassium alkaline solution. Weigh 1g lead acetate, 3.4g potassium citrate, 70g of potassium hydroxide dissolved in water and diluted to 100mL;
4.7 sulfide standard solution, as S, 0.1mg/mL. Weigh 0.749g of sodium sulfide (Na2S · 9H2O), was dissolved in water and transferred to
1000mL volumetric flask, dilute to the mark, prepared prior to use;
4.8 sulfide standard solution, as S, 0.01mg/mL. accurately prepared by 10-fold dilution of sulfide standard solution (4.7).
5 Instruments
Typically laboratory instruments.
Step 6 Analysis
Preparation 6.1 turbidity standard
Number of branches in 50mL colorimetric tube were added 0mL, 0.1mL, 0.3mL1.0mL sulfide standard solution (4.8), add water to
Near 48mL, shake.
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