GB/T 19589-2004 Nano zinc oxide

This standard specifies the scope, requirements, test methods, inspection rules, signs, labels, packaging, transportation and storage of nano zinc oxide. This standard applies to nearly spherical nano zinc oxide powder materials, and does not apply to nano zinc oxide wires, zinc oxide strips and other nano zinc oxide powders. This product is mainly used in rubber, coatings, electronic ceramics, cosmetics, chemical fibers, food and daily necessities. GB/T 19589-2004 Nano Zinc Oxide GB/T19589-2004 Standard Download Decompression Password: www.bzxz.net

1c#77.150
National Standard of the People's Republic of China
GB/T19589—2004
Nano zinc oxide
Nann-zinc nxidc
2004-09-29 Issued
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China National Chemical Standardization Administration
2005-04-01 Implementation
This standard is issued by the Ministry of Science and Technology of China.
GB/T19589-2004
This standard.1 is the Nonferrous Metals Standardization Committee (SAC/TC243; and the National Chemical Standardization Technical Committee Dahua Branch SAC/TCSC)
The originating units of this standard are: China Institute of Process Science, Tianjin Research Institute of Chemical Technology. Standard units: Dongxing Asia New Materials Co., Ltd., Shaanxi Science and Technology Co., Ltd., Shanxi Kahaina Technology Co., Ltd., Suzhou Nanomaterials Co., Ltd. This standard specifies the use, safety, testing, inspection, labeling, packaging and transportation of zinc oxide. This standard is suitable for nearly spherical pyrolysis materials, and is not suitable for nano-scale zinc oxide, other nano-chemical bodies. The product is mainly used in materials, electrical and ceramics, chemicals, chemical fibers, food and supplies, etc. Molecular formula: Z
For the mass N, 38 connection 203: International relative original mass) 2 Normative reference documents
, the clauses in the mutual documents become the core standard clauses through the reference of the standard: All the above-mentioned documents are referenced, and all the modifications (not including the contents mentioned in the brackets) after the reference are not applicable to the standard. However, it is encouraged that the parties who have reached an agreement based on this standard use the latest version of this document again. All the reference documents without a reference period are applicable to the new version of this standard. 15/9-2000 Packaging and Distribution Drawings Standard (+150:1552002 Industrial Salary
GBT 534
GB/25 Method for indicating the value of the extreme value G/3922 Method for determining the specific volume of chemical transport agents: 3-2 Annualized rate method:
Chemical product information code
G/TSS32
GH:T 0723-IIXN
HG2799
HGT eSE.1
IIG:T sese.2
HG:869e, 3
3 Product classification
Specifications and test methods for laboratory research (ac9IS03994: 1987) Chemical reagents and reagents: Beiyang Method (TS) i.5-1182) Chemical analysis rate
Inorganic "Products for chemical analysis of standard titration solutions for inorganic products. Preparation of chemical analysis preparations and products for chemical analysis, etc.: cosmetics, electronic materials! "Classification, plastics, materials, silt, ceramics, chemical fibers, porridge! Class 3: soil-grade plastics,
4 Technical requirements|| 4.1. Appearance: white or slightly yellow.
4.2 Nano zinc oxide shall meet the requirements of Table 1. (B/I19589—2004
Benefit selection (25
Fan average product/
1 Table blood m/e
Stone case liquid
Light content%
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15t Strict irritant 5
Fire harmonic
Hydrochloric acid non-rate/%
Average loss of positive %
5 Test method
5.1 Safety reminder
Table 1 requirements
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Some of the reagents used in the test methods are irritating or narcotic. The author must be careful. If there is concern about contact with the skin, rinse immediately with water. If there is a serious problem, seek medical treatment immediately. When using flammable materials, do not use open flames to heat them. 5.2-1 Rule
2 When reagents and water are specified in other requirements, they refer to analytical pure reagents and grade water (specified in 6682-142): The test liquids, preparations and products specified in the test. When there are other requirements, refer to 115/T.16$6.1.HG, T3636.2, 11G.
5.3-1 Rule
5 3. 1 Methods: Prepare the test liquid to pH 10, use EDTA as the indicator, and titrate with FDTA standard reagent to determine the concentration of zinc. 5.3.2 Test materials: 5.3.2.1 Add 1% ethanol to the solution: 1% ethanol 5.3.2.2 Water: 1-2% ethanol 5.3.2.3 Hydrogen peroxide (H19: 5.3.2.4 Ethylene glycol dihydrate: 1% ethanol 5.3.2.5 Weigh 15 g of EDTA or 55% hydroxylated carboxylic acid in 100 mL of ethanol 5.3.2.6 Add 1% EDTA or 55% hydroxylated carboxylic acid to the solution. 3/Analysis or strong
take about (0.12--3.4 test push, expand the system. 2 placed in a m. who color bottle, a small amount of water moistened, add [. salt guest solution hot sale test details all the road cold this water neutralized to the second precipitate out of the well, add 1 CB/T 19589-2004
ammonium buffer solution, add: clear chromium black old indicator solution, refer to the sentence: use EDTA standard commercial dangerous limit disease determination signature solution mountain grape purple change, for the mountain "and that is, inflammation point,
5. 3. 4 Result calculation
zinc oxide content is zinc oxide (n heart> mass fraction tt day, according to formula <1) calculation: n = YaM x 10: x 100
micro positive test collected by the wave consumed by the DTA standard titration Sa night rest! The value of . The unit is milliliter (mI.) 4
The actual concentration of EDTA standard carbon solution should be effective, the unit is milliliter (msl/L) The value of the mass of the sample: the unit is gram (more?: The value of the molar amount of zinc oxide is M-81.5), the unit is gram per milliliter (m.) Take the arithmetic mean of the parallel determination results as the determination result, and the absolute difference between the two parallel determination results shall not exceed C, 2. 5. 4 Determination of particle size
5.4.1 Determination of average particle size under electron microscope
Collect zinc sample, use water and acetylene mixed laser (1-1) as droplet, after ultrasonic vibration, absorb only sub (1-2!) full of sample, leave on the sample table of microscope, under 10 times of the fire, select the area with obvious and uniform particles, use camera to select the electron microscope step. Measure the length and diameter of each particle in not less than 33 nanometers on the film (can be statistically processed by computer software), and calculate the mean. Average diameter: (2) Calculation:
E(a,- d,)
In the above:
The long diameter of the microparticle is in nanometers (E)
The short diameter of the microparticle is in meters (lm)
The number of collected microparticles,
5.4.2 X-ray diffraction (XD) method for determining the average particle width (:
Prepare the sample according to the X-ray radiometer and then perform the X-ray width measurement. The angle range is from 25\~33. Use analytical pure potassium chloride sample to perform the reverse radiation measurement under the same conditions. The 2%.3% KCl peak is taken as the full peak width. The average particle width is calculated by measuring the 31.7" surface of zinc oxide in the sample using the Scheherazade method. 5.5 The remaining specific surface area is about 0.68, the surface area is 0.001%, and it is determined by the method specified in CB/T2H22: 5.6 Determination of agglomeration index Take a 0.0 nanometer zinc oxide sample and place it in a 5m3 calcined bottle (23 sodium hexadecene dispersion, 1.1:11.~20>ml. water. Use an ultrasonic wave with a power of 259W: min, and then measure the laser particle size by laser. The range is 0.02m-100m) and the volume average particle size D is determined by = .4.2 The average grain size obtained is used as the primary average grain size d: the value obtained by the laser particle size analyzer after dispersion is nanometers (m)! 5.2 The average diameter of the primary particles obtained is in nanometers (nr) 5.7 Determination of lead 5.7.1 Atomic absorption method (method 1) According to HG79-335 scientific method, the measurement is performed according to CA/T19583-2004 5.7.2 Chemical method
According to the formula of 6R/T18-1992. 5.8 Determination of manganese content
5.8.1 Atomic absorption method (method)
5.9.1.1 Method summary
See Chapter 3 of 6R/T18-1992.
5.9.1.2 Reagents and materials
Standard content of manganese: 1 ml. Mn content: 1.5.1.3 Equipment
Absorption spectrophotometer: with a dodecane lamp: wavelength: 273.5 m; ignition gas. 5.81.4 Preparation of test solution bZxz.net
Weigh about 31 ml of sample (accurate 0.01 g), place in a 350 ml calcined rod, add a small amount of water to moisten the solution, add 150 ml of acid solution, make it completely fall, transfer to a 20 ml volume bottle, use a water wheel to mark, shake evenly, and this is test solution A. Determination of manganese and copper.
5.8.1.5 Analysis steps
Use a transducer to collect 10m3 of the test sample A in four portions, place them in 1((m3) volumetric bottles respectively, and select the following as required by Article 6.2.2 of GB/T 97231333:\ (1) portion does not add the standard solution: (2) (3) (1) portion is divided into proportional steel full drops, and the sample is sieved with water at a rate of 100mL. Use an empty sampler to zero the absorbance under the specified conditions. Take the added standard solution as the horizontal coordinate and the corresponding absorbance as the vertical coordinate to draw a curve. Extend the curve in the opposite direction and the intersection X is the concentration of the element. "Perform the operation
5.8.1.6 Expression of analysis results
The mass fraction of the sample is calculated according to the formula: X100: 2500
x ​​100 10
m×10/250
c---the concentration of the element to be measured in the test line is obtained online, expressed as milligrams per milliliter (m/mL): ——=.8.1.4 The mass of the sample weighed in grams (g) is taken as the arithmetic mean of the samples collected at the parallel determination stations. The average value of the results of two parallel determinations shall not exceed 35.B.2 Chemical method
Determine according to GB318512.
5. 9 Determination of radioactive content
5.9.1 Absorption method: Extensometer method
5.9.1.1 Summary of the method
GB/T97251988 Part 3
5.9.1.2 Reagents and materials
Copper standard drop: 1 rr:I. Liquid copper content Cm: mR.5.9.1.3 Instruments and equipment
Absorption spectrophotometer: with hollow plate lamp, wavelength, 224,,n Flame: acetylene-air. 5.9.1. 4 Analysis step: Transfer 1 mL of test solution A and divide into CDL container bottles. Determination method: 5.1.5 Determination of Cu (Cu) content in the sample is calculated according to formula (5): 4 m×1C/253 GB/T19589—2004 The concentration of trace elements in the sample is expressed in mg/mL. 5.5.1. The amount of sample weighed in the test is expressed in grams (s). The arithmetic mean of the results obtained from the parallel calibration stations is taken as the determination result. The absolute difference between the two parallel calibration stations shall not be greater than ( 5.9.2 Chemical method
Reported in accordance with GF/73185--1393 corresponding method 0: 5.10 Determination of content
5.10.1 Test material
Standard barrel drop: 0.3 mL concentrate containing cadmium (Cd) core, 1 mg. 5.10.2 Receiver. Apparatus
Atomic absorption spectrometer, with a hollow pole lamp; wavelength: 223.8 nm; flame: acetylene-air, 5.10.3 Analysis steps
Use transfer to collect 12 samples of liquid A in four portions and place them in a 10°C vial. Determination method
5.10.4 Analytical results
Confirm the content by mass fraction of Ca: X100 x
mX10/2=0
wherein ·
is the numerical value of the concentration of the measured element in the test liquid found on the curve, and the unit is mg/L (mg/L). The unit of the test mass in 5.8.1.4 is gram (g). The results of the determination in the table are the arithmetic mean values. The difference between the two parallel determinations is not less than 0.0. 5.11 Determination of mercury content
5.11.1 Summary of the method
G/T 134-2002 5.5.3.1: 5.11.2 Reagents
Acid wave: 1-1:
Other reagents
GB/534-22 5.t.2.2
5.11.3 Receiving equipment
GB/T534-22 5.6.2.2
5.11.4 Drawing of working curve
G/T 54-232 5.2.4. 2.5.11.5 Analysis steps 5.11.5.1 Preparation of test solution 2.CC-3.012 sample was placed in a 32mL cup with 20mL water and 10mL acid. After dissolving the sample, add 9.5mL potassium permanganate and place the cup on the surface. Cool the cup after rinsing. 5.11.5.2 Preparation of blank test solution Except that no test sample is added, the sample is returned to the test solution for processing. 5.11.5.3 Determine the absorbance of the test solution and the blank test solution according to 5.1.2.1.3 of GD/T4-2002. 5
+/T19589—2004
5. 71. 5. 4 Expression of analytical results
The water content is expressed as the mass fraction (H2O) and is calculated according to the formula (m
X 100):
The value of mercury in the test sample obtained from 1. The unit is μg (μg) multiplied by the mass of the test sample in the sample or the above-mentioned test sample, in g (μg).
Take the arithmetic mean of the parallel determination results as the determination result: The absolute difference between the results of two parallel determinations shall not be greater than, JU5.12 Determination of content
306 Determination by corresponding method
5.13105 Determination of volatile matter content
5.13.1 Summary
Dry the sample at 165-10°C for 10 minutes and calculate the volatile matter content: 5.13.2 Instruments and equipment
5.13.2.1 Volumetric flask: 5.13.2.2 Electric oven: The temperature can be controlled at (0-110°C) 5.13.3 Analysis Steps: First weigh the sample under 05--11) and then weigh it under 0326. Then weigh it under 105--110. 5.13.4 Analysis Results: The moisture content should be calculated according to formula (8): 2.s
After the test, the moisture content should be the same as the sample before or after drying. The value of the sample is g ().TE
The arithmetic mean error of the two determinations is not greater than %. 5.14 Determination of water-soluble matter
5.14.1 Method summary
Dissolve the sample in water, heat and stir, and then take a certain amount of the sample and evaporate and dry it to constant weight. The amount of water-soluble matter in the sample is determined by drying. 5.14.2 Method and equipment
5.14.2.1 Fill the evaporating blood with 15m3 of water and dry it at 1C5-105. 5.14.2.2 Drying: Temperature 5C-105 5.14.3 Analytical step
Weigh the sample to the nearest 10 (accurate to 0.01), place it at 400 1 mL of sintered towel, use a small amount of water-wetting agent, such as 201 mL of dioxygen-free water, heat under constant stirring for 10 minutes. Rapidly cool to room temperature, move 20 ml into the volumetric flask, mark with water, divide, return the quantitative paper to the initial 20 filtrate, transfer 100 filtrate with enough liquid, place on the porcelain that has been placed in the oven, heat to 100 ℃, move to the oven and bake at (125-110 ° C) until constant temperature. 5.14.4 Expression of analytical results
The water content of the sample is calculated according to the formula (9): x705/270×185
In the formula,
t: The unit of mass of the sample is gram (g), and the unit of mass of the test rod is gram ().
CB/T19589—2004
The arithmetic mean of the results of the two tests is the test result, and the absolute difference of the results of the two tests is not more than 0.2. 5.15 Determination of hydrochloric acid insoluble substances
5.15.1 Method
After the solution is dissolved in hydrochloric acid, it is filtered, washed and dried to constant temperature. Calculate the content of hydrochloric acid insoluble substances. 5.15.2 Test materials
5.15.2.1 Salt solution 1-3.
5.15.2.2 Silver nitrate solution: 17R/1.
5.15.3 Instruments and equipment
High-pressure furnace, the temperature can be controlled at (H50 ± 25), 5. 15. 4 Analysis steps
Take 10 test samples (about 3g), wet them with a small amount of water in a 100ml glass cup, add 20UT salt, heat the sample to dissolve, use medium speed quantitative selection to determine the content of chloride ions, and verify the content of aldehyde silver solution. Transfer the sample and the low temperature ash fossils into a pre-weighed medium, transfer them into a high temperature medium (5~25) to obtain constant weight. 5.15.5 Expression of analysis results
The total mass of the sample is calculated according to formula (10):
Where:
--the amount of acid-free residue, in grams (*); the mass of the sample, in grams (.
The arithmetic mean of the results of the two parallel determinations is taken as the two results. The absolute value of the two parallel determinations shall not exceed 0.005%. 5.16 Determination of loss on ignition
5.16.1 Summary of the method
The sample is calcined at a temperature of (800~850)℃ for 2 h, calculate the content of the disassembled material. (19)
5.16.2 Analysis Procedure
Weigh the sample No. 232 in the pre-contained condition (105--=10): grind to 0.0002R, calcine the material in a constant temperature furnace (800~850) for 2h, take out the material after heating and transfer it to a desiccator, cool to normal temperature, weigh it, 5.16.3 Expression of Analysis Result
The mass fraction of the sample after burning is expressed in % and is calculated according to 1111: = m
The mass of the sample after burning is in grams (): m-: The mass of the sample before burning is in grams (). The average of the results of the half-measurement is taken as the determination result. The difference between the results of two parallel determinations should not be greater than .C5%. 6 Test rules
G.1 Vehicle standard adopts type inspection and routine inspection: 6.1.1 Calculate the actual All indicators of zinc oxide are type inspection items. Under normal circumstances, type inspection shall be carried out at least once a month.
CB/T19589-2004
6.1.2 stipulates that the content of zinc oxide, specific surface area, carbon dioxide, nitrogen, nitrogen, nitrogen, nitrogen, nitrogen pump, 1, 105 selective structure, double sieve hydrochloric acid, and uniform internal weight are standard inspections, and batch control should be sent.
6.2 The quantity of each batch of products shall not exceed 25t.
6.3 According to 965%11%5, Article 6.6, the number of sampling units shall be determined: deep sampling. The center of the sample is vertically placed in the whole material layer, and the sample is taken from 1 place. The only sample spoon is divided into at least 19 by flash separation method, and the products are divided into ten economic files, and the dry samples are sent! The plastic dining table is made of plastic and the guests shall indicate the production name, product name, category, sample number, sample name: one supply control inspection, service storage period 3 inspection.
E.4 The quality supervision and inspection of the main zinc production plant shall be carried out in accordance with the provisions of the standard. The factory shall ensure that the products of this standard meet the requirements of this standard.
.5 The inspection shall be carried out within 1 month from the arrival of the goods.
6.6 Comprehensive inspection: If any indicator does not meet the requirements of this standard, the whole batch of products shall be deemed unqualified. 6.7 The shelf life of the nanometer-level product is 100%, and the product must be marked and labeled. 7.1 The packaging of the nanometer-level product must have clear markings, including: manufacturer name, factory certificate, product name, trademark, category, net content, batch number or production date, and IT-31-2U (standard drug\afraid to use) mark. 7.2 The "nanometer-level product" must be attached with a quality certificate, which also includes: manufacturer name, factory certificate, product name, category, net content, batch number or production date, product quality standards. The certificate of the standard number. 8 Packaging and transportation, storage location
day.1 The outer packaging of nano zinc oxide adopts a variety of packaging forms, such as paper, plastic, woven paper and plastic, and the inner packaging is a two-layer bag. The packaging and size can meet the market requirements. The inner packaging can be tied with nylon rope or other materials, and the sealing is guaranteed. The net weight of the packaging is 2.320 and 3.2 The nano zinc oxide should be stored in a cool, rainy and closed place. It should not be mixed with alkali and acid items.5. The inspection should be carried out within 1 month after the arrival of the goods.
6.6 Comprehensive inspection: If any indicator does not meet the requirements of this standard, the whole batch of products shall be deemed unqualified. 6.7 The shelf life of the nanometer-level product is 100%, and the product must be marked and labeled. 7.1 The packaging of the nanometer-level product must have clear markings, including: manufacturer name, factory certificate, product name, trademark, category, net content, batch number or production date, and IT-31-2U (standard drug\afraid to use) mark. 7.2 The "nanometer-level product" must be attached with a quality certificate, which also includes: manufacturer name, factory certificate, product name, category, net content, batch number or production date, product quality standards. The certificate of the standard number. 8 Packaging and transportation, storage location
day.1 The outer packaging of nano zinc oxide adopts a variety of packaging forms, such as paper, plastic, woven paper and plastic, and the inner packaging is a two-layer bag. The packaging and size can meet the market requirements. The inner packaging can be tied with nylon rope or other materials, and the sealing is guaranteed. The net weight of the packaging is 2.320 and 3.2 The nano zinc oxide should be stored in a cool, rainy and closed place. It should not be mixed with alkali and acid items.5. The inspection should be carried out within 1 month after the arrival of the goods.
6.6 Comprehensive inspection: If any indicator does not meet the requirements of this standard, the whole batch of products shall be deemed unqualified. 6.7 The shelf life of the nanometer-level product is 100%, and the product must be marked and labeled. 7.1 The packaging of the nanometer-level product must have clear markings, including: manufacturer name, factory certificate, product name, trademark, category, net content, batch number or production date, and IT-31-2U (standard drug\afraid to use) mark. 7.2 The "nanometer-level product" must be attached with a quality certificate, which also includes: manufacturer name, factory certificate, product name, category, net content, batch number or production date, product quality standards. The certificate of the standard number. 8 Packaging and transportation, storage location
day.1 The outer packaging of nano zinc oxide adopts a variety of packaging forms, such as paper, plastic, woven paper and plastic, and the inner packaging is a two-layer bag. The packaging and size can meet the market requirements. The inner packaging can be tied with nylon rope or other materials, and the sealing is guaranteed. The net weight of the packaging is 2.320 and 3.2 The nano zinc oxide should be stored in a cool, rainy and closed place. It should not be mixed with alkali and acid items.
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