HG/T 2754-1996 D202 Macroporous Strong Base Type II Styrene Anion Exchange Resin
Some standard content:
Chemical Industry Standard of the People's Republic of China
HG/T2754—1996
D202 Macroporous Strong Alkaline Ethylene Series
Anion Exchange Resin
Published on April 15, 1996
Ministry of Chemical Industry of the People's Republic of China
Implementation on January 1, 1997
HG/T2754-1996
This standard is proposed by the Technical Supervision Department of the Ministry of Chemical Industry of the People's Republic of China and is under the jurisdiction of the Plastics Resin Products Branch of the National Plastics Standardization Technical Committee (TC15/SC4). The drafting unit of this standard is Dandong Chemical Plant No. 3. The main drafters of this standard: Ji Yan, Jiang Furong, He Chu, Sun Anmei, Xie Zhiqing. 1 Scope
Chemical Industry Standard of the People's Republic of China
D202 Macroporous Strong Base Type II Styrene Series:
Anion Exchange Resin
HG/T2754—1996
This standard specifies the requirements, test methods, inspection rules, signs, labels and packaging of D202 macroporous strong base type II styrene series anion exchange resin.
This standard applies to D202 macroporous strong base II type styrene anion exchange resin with di-medium ethanolamine as the main active group, including D202 general resin with a particle size of 0.315~1.25mm; D202-FC floating bed special resin with a particle size of 0.45~1.25mm and D202-SC double-layer bed special resin with a particle size of 0.63~1.25mm. 2 Reference standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard was published, the versions shown were all valid. All standards will be revised. Parties using this standard should explore the possibility of using the latest versions of the following standards: GB/T1631-83 Classification, naming and model of ion exchange resins GB/T5475-85 Sampling method of ion exchange resins GB/T5476--1996 Pretreatment method of ion exchange resins GB/T5757--86 Determination method of moisture content of ion exchange resins GB/T5758-86 Determination method of particle size distribution of ion exchange resins GB/T8330-87 Method for determination of wet true density of exchange resin GB/T8331-87 Method for determination of wet apparent density of ion exchange resin GB/T11992-89 Method for determination of exchange container of chlorine-type strong basic anion exchange resin GB/T12598-90 Method for determination of strength of ion exchange resin infiltration method 3 Requirements
3.1 Classification and naming
The models of D202, D202FC, D202-SC macroporous strong basic type IⅡ styrene anion exchange resins are compiled in accordance with GB1631. FC stands for floating bed, SC stands for double bed, 3.2 Appearance
Milky white (yellow) or light yellow spherical particles. 3.3 Factory type
Number type.
3.4 Physical and chemical properties
The physical and chemical properties shall conform to the technical indicators specified in Table 1. Approved by the Ministry of Chemical Industry of the People's Republic of China on April 15, 1996 and implemented on January 1, 1997
Water content, %
Mass total exchange capacity, mmol/g
Volume total exchange capacity: mmol/mL
Neutral salt exchange capacity, g/mL
Wet apparent density, mmol/g
Wet true density, g/mL
(Particle size, mm)
Effective particle size, mm
Uniformity coefficient
Range particle size, %
Upper limit particle size, %
Lower limit particle size, %
Diagnostic density and sphericity, %
4 Test method
4.1 Appearance
Visual inspection.
4.2 Sample pretreatment
HG/T27541996
Table 1 Technical indicators
Superior products
First-class products Qualified products
0.67~0.77
1.06~1.12
>95 (0.315~1.25)
≤1 (<0.315)
0.40~0.70
Treat with the method specified in GB5476 4.3 Determination of water content in the disk
Determine with the method specified in GB5757. 80
D202-FC
Superior product
D202-SC
First-class productQualified product
Superior product
0.67~0.77
1.06~1.12
>95 (0. 45~1.25)
≤1 (≤0. 45)
4.4 Determination of mass total exchange capacity, volume total exchange capacity and neutral salt decomposition capacity 4.4.1 The mass total exchange capacity and neutral salt decomposition capacity shall be determined by the method specified in GB11992. 4.4.2 Calculation of volumetric total exchange capacity
The volumetric total exchange capacity is calculated according to formula (1): Q, =Qp(1-X)
Wherein: Q—volume total exchange capacity, mmol/mL; Q—mass total exchange capacity, mmol/mg;
—wet apparent density, g/mL;
X—water content, %.
4.5 Determination of wet apparent density
Qualified products
0.67~0.77
1.06~1.12
>95 (0.63~1.25)
≤1 (<0. 63)
HG/T27541996
The determination is carried out by the method specified in GB8331. 4.6 Determination of wet true density
The determination is carried out by the method specified in GB8330. 4.7 Determination of particle size
4.7.1 Determination of particle size of D202 resin
The determination is carried out by the method specified in GB5758, wherein the upper limit particle size is 1.25mm2 and the lower limit particle size is 0.315mm4.7.2 Determination of particle size of D202-FC resin
The determination is carried out by the method specified in GB5758, wherein the upper limit particle size is 1.25mm and the lower limit particle size is 0.45mm4.7.3 Determination of particle size of D202SC resin
The determination is carried out by the method specified in GB5758, wherein the upper limit particle size is 1.25mm and the lower limit particle size is 0.63mm. 4.8 Determination of effective particle size and uniformity coefficient
The method specified in GB5758 shall be used for determination. 4.9 Determination of sphericity of infiltration grinding
The original sample shall be used without sieving and the sphericity of infiltration grinding method specified in GB/T12598 shall be used for determination. 5 Inspection rules
5.1 Each batch of products is considered as one batch.
5.2 Sampling shall be carried out in accordance with the provisions of GB5475. 5.3 Each batch of products must be inspected by the quality inspection department of the manufacturer, and it shall be ensured that all products leaving the factory meet the technical requirements specified in this standard and be accompanied by a quality inspection report. 5.4 In the appearance of 3.2 and 3.4 of this standard, water content, total exchange capacity by mass, total exchange capacity by volume, neutral salt decomposition capacity, wet apparent density, lower limit particle size of D202, D202-FC, D202-SC, and infiltration grinding ball rate are factory inspection items: wet true density, solid particle size, effective particle size average-one coefficient are sampling items, and the inspection shall be conducted at least once a month. Type inspection shall be carried out in accordance with the provisions of 6.6.1 of GB1.3-88.
5.5 If the user unit needs to inspect the received products, it shall be carried out in accordance with the provisions of this standard. If a re-inspection is required, it shall be submitted to the manufacturer within three months of the product being changed.
3.6 If a certain technical requirement of the inspection result does not meet the requirements of this standard, a new sample shall be taken from the two packagings of the batch of products for re-inspection, and the grade shall be determined by the re-inspection results. 5.7 When the supply and demand parties have any objection to the product quality, the two parties shall negotiate to resolve it or ask the statutory quality supervision and inspection department to arbitrate. 6 Marking, labeling, packaging
Each package shall have a clear and firm mark indicating the product name, model, net quantity, production name and this standard number. The product shall be packaged in a container lined with a plastic bag or woven bag, and each package shall be attached with a certificate of conformity. The certificate of conformity shall indicate the grade, batch number and production date.
This series of products contain a certain amount of moisture, which is not a product quality guarantee. During transportation and extended storage, it should be kept in an environment of 5-40℃, and care should be taken not to make the resin lose water. The storage period is two years in a well-ventilated room. If it exceeds the storage period, it can be tested in accordance with the provisions of this standard. If it meets the requirements of this standard, it can still be used.
This product is not an emergency product. www.bzxz.net
People's Republic of China
Chemical Industry Standards
D202 Macroporous Strong Base II Styrene Series
Anion Exchange Resin
HG/T2754-1996
Chemical Industry Standards Compendium Publishing Group
(Standardization Research Institute of Ministry of Chemical Industry)
Postal Code: 100011
Printing Standardization Research Institute of Ministry of Chemical Industry
Copyright reserved and may not be released from the printing
Book size 880×12301/16
Number of words in application 6000
First issue in September 1997
First issue in September 1997
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