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FZ/T 50010.3-2023: (Determination of viscosity of pulp for regenerated cellulose fibers)
Status: Valid FZ/T 50010.3: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| FZ/T 50010.3-2023 | English | 599 |
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(Determination of viscosity of pulp for regenerated cellulose fibers)
| Valid |
FZ/T 50010.3-2023
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| FZ/T 50010.3-2011 | English | 529 |
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Pulp board for viscose fiber. Determination of viscosity
| Valid |
FZ/T 50010.3-2011
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| FZ/T 50010.3-1998 | English | 639 |
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Pulp board for viscose fiber. Determination of viscosity
| Obsolete |
FZ/T 50010.3-1998
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PDF similar to FZ/T 50010.3-2023
Basic data | Standard ID | FZ/T 50010.3-2023 (FZ/T50010.3-2023) | | Description (Translated English) | (Determination of viscosity of pulp for regenerated cellulose fibers) | | Sector / Industry | Spinning & Textile Industry Standard (Recommended) | | Classification of Chinese Standard | W50 | | Classification of International Standard | 59.060.20 | | Word Count Estimation | 30,383 | | Date of Issue | 2023-12-20 | | Date of Implementation | 2024-07-01 | | Issuing agency(ies) | Ministry of Industry and Information Technology of the People's Republic of China | | Summary | This standard specifies the method for determining the viscosity of pulp for regenerated cellulose fibers. Including the determination of intrinsic viscosity value, dynamic viscosity value and specific viscosity value, and the method of calculating the average degree of polymerization. This standard applies to pulp for regenerated cellulose fibers. | FZ/T 50010.3-2011: Pulp board for viscose fiber. Determination of viscosity---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.
Pulp board for viscose fiber.Determination of viscosity
ICS 59.060.20
W50
People's Republic of China textile industry standards
Replacing FZ/T 50010.3-1998
Determination of the viscosity of viscose fiber pulp
Issued on. 2011-05-18
2011-08-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is the FZ/T 50010.3-1998 "viscose fiber pulp viscosity measured" amendment.
Instead of the standard FZ/T 50010.3-1998, compared with the original standard, in addition to editorial changes, the major technical changes are as follows.
--- The original scope of cotton pulp, cotton pulp wood pulp extended to wood pulp, bamboo pulp, hemp pulp, etc. (see Chapter 1);
--- Standard chapter references into normative references, delete GB/T 8940.2 "Determination of pulp brightness," added GB/T 3921.1
"Textile material properties and test - Part 1. fibers and yarns", GB/T 3921.3 "textile material properties and test operation
Language Part 3. General ", GB/T 4146.1" chemical fiber textiles - Part 1. generic name "(see Chapter 2, 1998
Chapter 2 edition);
--- Increase Terms and Definitions chapter (see Chapter 3, 1998 version 4.1.1);
--- According to the provisions of GB 3101, GB 3102 changes the amount of symbols;
--- Method A, Method B and Method C test specimen preparation into a general rule, keep the content of the original sample preparation, and increase test environment
Requirements (see 415, 425, 435, 1998 edition of 4.1.6,4.2.5,4.3.5...);
--- Copper ethylenediamine solution calibration. "R requirements was 2.00 ± 0.04, M2 was 1.00 ± 0.02M1 If the analysis results R < 2M2
> M1 "changed to." R requirements was 2.00 ± 0.04, cB was (1.00 ± 0.02) mol/L. If the analysis results R < 2, cB>
1mol/L "(see 41223, 1998 edition of 4.1.3.2.3...);
--- Capillary viscometer calibration. "t4 --- distilled water outflow time in a standard viscometer in seconds (s) requirements.
About 60s 20 ℃ when. "Read." When t4 --- with distilled water in a standard viscometer flow time (requires about 25 ℃
60s), seconds (s). "(See 414, 1998 version 4.1.5.);
--- Copper ammonia solution in a capillary viscometer method (Method B) an agent. Deleting the methyl orange indicator, increased sodium hydroxide AR
(See 4221, 1998 edition of 4.2.2.1...);
--- Copper ammonia solution. the increase in sodium 7g/L (see 4.2.2.2.1);
--- Copper content Calibration. "lessons 5mL copper ammonia solution" to "absorb copper ammonia solution 3mL," "5% sulfur
Acid neutralization "to" 5% sulfuric acid and to the reddish "[see 4.2.2.2.3 in a), 1998 edition of 4.2.2.2.2 in a)];
--- Change the formula (17) (see 42224, 1998 edition of 4.2.2.2.3...);
--- Change the formula (19) (see 42612, 1998 edition of 4.2.6.1.2...);
--- Preparation of test solution. "Weigh the sample G (accurate to 0.0004g), according to the concentration of copper ammonia solution is 0.01g/mL ratio
, Calculate the amount of copper added ammonia solution, "to" sample was weighed m (accurate to 0.0002g), when calculated according to the amount of sample
The volume of copper ammonia solution absorb copper ammonia solution, "(see 4262, 1998 edition of 4.2.6.2...);
--- Increasing the degree of polymerization assay (method D) (see section 4.4).
The standard proposed by China Textile Industry Association.
This standard by the Shanghai textile industry technical supervision of the centralized.
This standard was drafted. Shanghai textile industry technical supervision, Yibin long-yi pulp limited liability company, People's Republic of China Shanghai
Exit Inspection and Quarantine, Yibin Si Liya Group Limited.
The main drafters of this standard. De Zhou Zhen, Wang Wenting, to Wei Dong, Jiang Wei, Yao Lifang, Xie Peng.
This standard replaces the standards previously issued as follows.
--- FZ/T 50010.3-1998.
Determination of the viscosity of viscose fiber pulp
1 Scope
This standard specifies the method for determination of viscose fiber pulp viscosity --- copper ethylene diamine (CED) solution method, copper ammonia solution capillary viscosity
Meter method, copper ammonia solution falling ball method and a measurement method of polymerization degree.
This standard applies to all kinds of viscose fiber pulp, including cotton pulp, wood pulp, bamboo pulp, hemp pulp and the like.
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/T 3291.1 textile material properties and test - Part 1. fibers and yarns
GB/T 3291.3 textile material properties and test - Part 3. General
GB/T 4146.1 Textiles chemical fiber - Part 1. generic name
GB/T 8170 repair value expressed about the rules and limit values and judgment
FZ/T 50010.1 viscose fiber pulp sampling method
Determination of moisture pulp FZ/T 50010.2 viscose fiber.
JJG155 working capillary viscometer
3 Terms and Definitions
GB/T 3291.1, GB/T 3291.3 and GB/T 4146.1 and define the following terms and definitions apply to this document.
3.1
Shear velocity shearvelocity
Surface parallel to the direction of flow of the fluid within the capillary velocity gradient layer. (1) is determined by a formula.
G = 4Vπr3t
(1)
Where.
G --- shear speed in a negative side seconds (s-1);
V --- viscometer volume between the two suitably calibrated scale, in milliliters (mL);
r --- capillary diameter in centimeters (cm);
t --- fluid flow time in seconds (s).
3.2
Relative viscosity (viscosity ratio) relativeviscosity
At the same temperature the solution viscosity of the polymer (specified concentration) of the pure solvent η and η0 ratio of viscosity. Is unitless value.
3.3
Specific viscosity (relative viscosity increment) relativeviscosityincrement
Viscosity ratio minus 1. Without a unit value, (2) determined by the formula.
η0
-1 = Η-η0
η0
(2)
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