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| Std ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status |
| GB/T 1611-2014 | English | 419 |
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Sodium dichromate for industrial use
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| GB/T 1611-2003 | English | 479 |
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Sodium dichromate for industrial use
| Obsolete |
| GB/T 1611-1992 | English | 279 |
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Sodium dichiomate for industrial use
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Basic data | Standard ID | GB/T 1611-2014 (GB/T1611-2014) | | Description (Translated English) | Sodium dichromate for industrial use | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G12 | | Classification of International Standard | 71.060.50 | | Word Count Estimation | 18,164 | | Date of Issue | 7/8/2014 | | Date of Implementation | 12/1/2014 | | Older Standard (superseded by this standard) | GB/T 1611-2003 | | Quoted Standard | GB 190-2009; GB/T 191-2008; GB/T 3049-2006; GB/T 6678; GB/T 6682-2008; GB/T 8170; HG/T 3696.1; HG/T 3696.2; HG/T 3696.3 | | Regulation (derived from) | 2014 National Standards Bulletin No. 18 | | 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 industrial sodium dichromate requirements, test methods, inspection rules, marking, labeling, packaging, transportation, storage, and security. This standard applies to industrial sodium dichromate. The products are mainly used | GB/T 1611-2014: Sodium dichromate for industrial use---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.
Sodium dichromate for industrial use
ICS 71.060.50
G12
National Standards of People's Republic of China
Replacing GB/T 1611-2003
Industrial sodium dichromate
Issued on. 2014-07-08
2014-12-01 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.
This standard replaces GB/T 1611-2003 "Industrial sodium dichromate," compared with the GB/T 1611-2003, in addition to editorial changes to the Main
Technical changes are as follows.
--- Request by the chloride superior product index adjusted to 0.07% from 0.05%, qualified 0.20 percent to 0.15 percent; increase in iron content
Indicators superior product set to 0.002%, 0.006% to first-class product, qualified to 0.01% (see 4.2,2003 version 3.2);
--- Request to be provided in the form of injection table (see 4.2) on the vanadium content;
--- Remove the photoelectric colorimetry (see the 2003 version 4.5.2);
--- Increasing the potentiometric titration of sodium dichromate content (see 5.3.2);
--- Increasing the potentiometric titration of chloride content (see 5.5);
--- Increased by flame atomic absorption spectrophotometry iron content (see 5.6.1);
--- Increased vanadium content determination method (see 5.7);
--- Increased by Ion Chromatography sulphate, chloride content (see Appendix A).
The standard reference Japanese standard JISK1403.1992 "sodium dichromate (dihydrate)."
The standard proposed by China Petroleum and Chemical Industry Association.
This standard by the National Standardization Technical Committee chemical inorganic chemicals Club (SAC/TC63/SC1) centralized.
This standard was drafted. County in Sichuan Galaxy construction of (Group) Co., Ltd., CNOOC Tianjin Chemical Research & Design Institute of Hubei Zhenhua
Science Co., Ltd., Qinghai Province Bo hung Chemical Technology Co., Ltd., Gansu Jin Shi Chemical Co., Ltd., the Yellow River in Inner Mongolia chromium salt stocks
Limited parts, commodities Quality Supervision and Inspection Institute of Hunan Province, the national mineral product quality supervision and inspection center.
The main drafters of this standard. Lixian Rong, Li Xia, Shi Yi Lang, Wang whole, Zhang Yuan, Wang Zhuolin, Shi Peng way, thanks to the Friends, Fande Ping, Song Feng.
This standard replaces the standards previously issued as follows.
--- GB 1611-1979, GB/T 1611-1992, GB/T 1611-2003.
Industrial sodium dichromate
1 Scope
This standard specifies the industrial sodium dichromate requirements, test methods, inspection rules, marking, labeling, packaging, transportation, storage, and security.
This standard applies to industrial sodium dichromate. The products are mainly used for oxide pigments, dyes, preparation of other chromium salt products, pharmaceutical intermediates
Agents, electroplating and other industries.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 190-2009 dangerous goods packaging logo
GB/T 191-2008 Packaging - Pictorial signs
General Method GB/T 3049-2006 industrial chemicals determination of iron content 1,10-phenanthroline spectrophotometry
GB/T 6678 General Principles for Sampling Chemical Products
Laboratory use specifications and test methods GB/T 6682-2008 Analysis
GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment
HG/T 3696.1 inorganic chemical products, chemical analysis standard solution, Preparations Part 1. Standard titration solution
Preparation liquid
HG/T 3696.2 inorganic chemical products, chemical analysis standard solution, Preparations Part 2. impurity standard solution
Preparation liquid
HG/T 3696.3 inorganic chemical products, chemical analysis standard solution, Preparations Part 3. Formulation and products
Preparation
3 formula and relative molecular mass
Molecular formula. Na2Cr2O7 · 2H2O.
Molecular weight. 297.97 (according to 2011 international relative atomic mass).
4 Requirements
4.1 Appearance. bright orange-red needles or small granular crystals.
4.2 Industrial sodium dichromate testing methods specified in this standard shall be in accordance with Table 1 and according to the technical requirements.
Price & DeliveryUS$419.00 · In stock
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GB/T 1611-2014: Sodium dichromate for industrial use
Status: Valid
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