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GB/T 33425-2016: Evaluation method of anti-caking capacity of anti-caking agent for chemical product
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 33425-2016 | English | 199 |
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Evaluation method of anti-caking capacity of anti-caking agent for chemical product
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GB/T 33425-2016
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Basic data | Standard ID | GB/T 33425-2016 (GB/T33425-2016) | | Description (Translated English) | Evaluation method of anti-caking capacity of anti-caking agent for chemical product | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G10 | | Classification of International Standard | 71.060.01 | | Word Count Estimation | 10,135 | | Date of Issue | 2016-12-30 | | Date of Implementation | 2017-07-01 | | Regulation (derived from) | National Standard Notice No.27 of 2016 | | 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 | GB/T 33425-2016: Evaluation method of anti-caking capacity of anti-caking agent for chemical product
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Evaluation method of anti-caking capacity of anti-caking agent for chemical product
ICS 71.060.01
G10
National Standards of People's Republic of China
Chemical products in the anti-caking agent
Evaluation method of anti - caking performance
2016-12-30 release
2017-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by the China Petroleum and Chemical Industry Association.
This standard is under the jurisdiction of the National Chemical Standardization Technical Committee (SAC/TC63).
The drafting of this standard. Fujian Daan Energy Industry Co., Ltd., CNOOC Tianjin Chemical Research and Design Institute, the national inorganic salt products
Quality Supervision and Inspection Center.
The main drafters of this standard. Liu Zhenmao, Wang Yan, Wang Yan, Shi Liu Yan.
Chemical products in the anti-caking agent
Evaluation method of anti - caking performance
1 Scope
This standard specifies the anti-caking agent anti-caking performance evaluation methods in chemical products, including moisture absorption, angle of repose, anti-caking rate and cone
Determination of the degree of entry.
This standard is applicable to the evaluation of anti-caking properties of anti-caking agents in chemical products.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 6005 Test Screen Basic dimensions of wire mesh, perforated plate and electroformed sheet sieve
Analysis of laboratory water specifications and test methods GB/T 6682-2008
GB/T 11986 Measurement of surfactant powder and particle angle of repose
3 analysis method
3.1 General provisions
The reagents and water used in this standard, when not specified in other requirements, refer to the analysis of pure reagents and GB/T 6682-2008 in the provisions of the three
Water level.
3.2 Determination of moisture absorption rate
3.2.1 Method Overview
After the sample is pre-mixed with the anti-caking agent, it is set at a set temperature and humidity for a certain period of time, and the moisture absorption rate is determined by the change in mass
The anti - caking properties of anti - caking agents were evaluated.
3.2.2 Reagent
Saturated salt solution (30 ° C). Prepare saturated salt solutions with balanced relative humidity values in Table 1.
Table 1 Saturated salt solution (30 ° C) corresponds to the standard equilibrium relative humidity value
Saturated solution solute standard equilibrium relative humidity value /%
Sodium chloride 75.1 ± 0.2
Potassium chloride 83.6 ± 0.3
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