QB/T 4746-2014 PDF English
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| QB/T 4746-2014 | English | 90 |
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QB/T 4746-2014: Oral care and cleaning products - Xanthan gum for toothpaste---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/QBT4746-2014
QB
LIGHT INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 71.100.40
Classification number. Y43
Registration number. 46795-2014
Oral care and cleaning products -
Xanthan gum for toothpaste
Issued on. JULY 09, 2014
Implemented on. NOVEMBER 01, 2014
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Structural formula... 5
4 Requirements... 5
5 Test methods... 6
6 Inspection rules... 11
7 Marking, packaging, transportation, storage, shelf life... 12
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was compiled with reference to the technical specifications of the
Joint FAO/WHO Joint Committee on Food Additives (JECFA, 1999) as well as
the technical specifications in the US Food Chemicals Code (FCC, V).
This standard was proposed by the China National Light Industry Council.
This standard shall be under the jurisdiction of the National Toothpaste Wax
Standardization Center.
The main drafting organizations of this standard. Zibo Zhongxuan Biochemical
Co., Ltd., Danisco (China) Co., Ltd., National Light Industry Toothpaste Wax
Products Quality Supervision and Testing Center.
The main drafters of this standard. Cui Guochen, Sun Zhengyan, Dai Zhengang,
Li Xianbo.
Oral care and cleaning products -
Xanthan gum for toothpaste
1 Scope
This standard specifies the requirements, test methods, inspection rules and
markings, packaging, transportation, storage and shelf life of xanthan gum for
toothpaste.
This standard is applicable to xanthan gum products which are produced by
Xanthomonas campestris as the main bacteria, starchy as the main raw
material, after specific biological fermentation, purified, dried and pulverized.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB/T 601 Chemical reagent - Preparations of standard volumetric solutions
GB/T 4789.4 Microbiological examination of food hygiene - Examination of
Salmonella
GB 5009.4 National food safety standard - Determination of ash in foods
GB 5009.12 National food safety standard - Determination of lead in foods
3 Structural formula
4 Requirements
4.1 Appearance
White or light beige powder.
4.2 Physical and chemical indicators
Physical and chemical indicators shall meet the requirements of Table 1.
4.3 Microbiological indicators
Microbiological indicators shall meet the requirements of Table 2.
4.4 Net content
The net content of the product shall comply with the provisions of the State
Administration of Quality Supervision, Inspection and Quarantine [2005] No.75
"Measures for the Supervision Administration of Quantitative Packaging
Commodities Measurement".
5 Test methods
Unless otherwise stated, only analytically pure reagents and water in
accordance with GB/T 6682 are used in the analysis.
5.1 Identification
5.1.1 Solubility test
5.2 Viscosity
5.2.1 Instruments
Brook field rotary viscometer or other equivalent performance viscometer.
5.2.2 Determination conditions
5.2.3 Analytical procedures
5.2.3.1 PREPARE a solution containing 1% sample and 1% potassium chloride.
5.3 Shear performance value
5.3.1 Determination method
In accordance with the requirements of 5.2, respectively DETERMINE the
viscosity values of the No.3 rotor at the speed of 6 r/min and 60 r/min.
5.3.2 Calculation of results
The shear performance value is calculated in accordance with formula (1).
5.4 Loss on drying
5.4.1 Principle
The sample is dried to a constant weight under a certain temperature condition,
and the weight of the lost material is calculated.
5.4.4 Calculation of results
The loss on drying is calculated in accordance with formula (2).
Where.
5.6 Total nitrogen
It is determined in accordance with the “semi-micro method” in the nitrogen
determination methods of the Pharmacopoeia of the People's Republic of China
(volume II).
5.7 Pyruvic acid
standard solution to dilute it to the mark.
5.8 Lead
It is determined in accordance with the method specified in GB 5009.12.
5.9 Total number of colonies
It is determined in accordance with the method specified in the “Hygienic
Standards for Cosmetics” of the Ministry of Health of the People's Republic of
China.
5.10 Fecal coliforms
It is determined in accordance with the method specified in the “Hygienic
Standards for Cosmetics” of the Ministry of Health of the People's Republic of
China.
5.11 Pseudomonas aeruginosa
It is determined in accordance with the method specified in the “Hygienic
Standards for Cosmetics” of the Ministry of Health of the People's Republic of
China.
5.12 Staphylococcus aureus
It is determined in accordance with the method specified in the “Hygienic
Standards for Cosmetics” of the Ministry of Health of the People's Republic of
China.
5.13 Salmonella
It is determined in accordance with the method specified in GB/T 4789.4.
5.14 Mold and yeast
It is determined in accordance with the method specified in the “Hygienic
Standards for Cosmetics” of the Ministry of Health of the People's Republic of
China.
6 Inspection rules
6.1 Batch determination
The quality inspection department of the production organization determines
the batch number of the product in accordance with its corresponding rules, the
products that are finally mixed and have uniform quality are regarded as one
batch.
6.2 Sampling methods and sampling quantities
Randomly TAKE samples from each batch of products, TAKE small samples
from each batch at 3% of the packaged pieces, but shall be not less than 3
packages, the mass of sample taken from each package shall be not less than
100 g. Quickly MIX the sample taken uniformly, CONTAIN it into two clean and
dry bottles, which shall be marked of the manufacturer name, product name,
batch number, quantity, and sampling date, one bottle is used for inspection
and the other is sealed and retained for reference.
6.3 Exit-factory inspection
6.4 Type inspection
All items specified in the requirements of this standard are type inspection items.
Type inspection is performed once every 6 months or when one of the following
conditions occurs.
6.5 Decision rules
If one of the test results does not meet the requirements of this standard, it shall
be double-sampled for re-test. If one of the retest results does not meet this
standard, the entire batch of products is judged as unqualified.
7 Marking, packaging, transportation, storage, shelf life
7.1 Marking
The packaging container shall be firmly and clearly marked. the name and
address of the manufacturer, the name and type of the product, the trademark,
the net content, the production batch number (or date of manufacture), the
standard number used, as well as “for toothpaste” or “toothpaste grade” and
the “avoiding moisture” mark in GB/T 191.
7.3 Transportation, storage
Products shall be placed in a clean, dry place during transportation or storage.
They shall not be loaded, transported or stored together with toxic substances.
Since the product is easy to absorb water, care shall be taken to avoid contact
with water and to avoid damage to the packaging during storage and
transportation.
7.4 Shelf life
Under the conditions of complying with the conditions of packaging, storage
and transportation in this standard, the product has a shelf life of 24 months
from the date of production.
QB/T 4746-2014
QB
LIGHT INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 71.100.40
Classification number. Y43
Registration number. 46795-2014
Oral care and cleaning products -
Xanthan gum for toothpaste
Issued on. JULY 09, 2014
Implemented on. NOVEMBER 01, 2014
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Structural formula... 5
4 Requirements... 5
5 Test methods... 6
6 Inspection rules... 11
7 Marking, packaging, transportation, storage, shelf life... 12
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was compiled with reference to the technical specifications of the
Joint FAO/WHO Joint Committee on Food Additives (JECFA, 1999) as well as
the technical specifications in the US Food Chemicals Code (FCC, V).
This standard was proposed by the China National Light Industry Council.
This standard shall be under the jurisdiction of the National Toothpaste Wax
Standardization Center.
The main drafting organizations of this standard. Zibo Zhongxuan Biochemical
Co., Ltd., Danisco (China) Co., Ltd., National Light Industry Toothpaste Wax
Products Quality Supervision and Testing Center.
The main drafters of this standard. Cui Guochen, Sun Zhengyan, Dai Zhengang,
Li Xianbo.
Oral care and cleaning products -
Xanthan gum for toothpaste
1 Scope
This standard specifies the requirements, test methods, inspection rules and
markings, packaging, transportation, storage and shelf life of xanthan gum for
toothpaste.
This standard is applicable to xanthan gum products which are produced by
Xanthomonas campestris as the main bacteria, starchy as the main raw
material, after specific biological fermentation, purified, dried and pulverized.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB/T 601 Chemical reagent - Preparations of standard volumetric solutions
GB/T 4789.4 Microbiological examination of food hygiene - Examination of
Salmonella
GB 5009.4 National food safety standard - Determination of ash in foods
GB 5009.12 National food safety standard - Determination of lead in foods
3 Structural formula
4 Requirements
4.1 Appearance
White or light beige powder.
4.2 Physical and chemical indicators
Physical and chemical indicators shall meet the requirements of Table 1.
4.3 Microbiological indicators
Microbiological indicators shall meet the requirements of Table 2.
4.4 Net content
The net content of the product shall comply with the provisions of the State
Administration of Quality Supervision, Inspection and Quarantine [2005] No.75
"Measures for the Supervision Administration of Quantitative Packaging
Commodities Measurement".
5 Test methods
Unless otherwise stated, only analytically pure reagents and water in
accordance with GB/T 6682 are used in the analysis.
5.1 Identification
5.1.1 Solubility test
5.2 Viscosity
5.2.1 Instruments
Brook field rotary viscometer or other equivalent performance viscometer.
5.2.2 Determination conditions
5.2.3 Analytical procedures
5.2.3.1 PREPARE a solution containing 1% sample and 1% potassium chloride.
5.3 Shear performance value
5.3.1 Determination method
In accordance with the requirements of 5.2, respectively DETERMINE the
viscosity values of the No.3 rotor at the speed of 6 r/min and 60 r/min.
5.3.2 Calculation of results
The shear performance value is calculated in accordance with formula (1).
5.4 Loss on drying
5.4.1 Principle
The sample is dried to a constant weight under a certain temperature condition,
and the weight of the lost material is calculated.
5.4.4 Calculation of results
The loss on drying is calculated in accordance with formula (2).
Where.
5.6 Total nitrogen
It is determined in accordance with the “semi-micro method” in the nitrogen
determination methods of the Pharmacopoeia of the People's Republic of China
(volume II).
5.7 Pyruvic acid
standard solution to dilute it to the mark.
5.8 Lead
It is determined in accordance with the method specified in GB 5009.12.
5.9 Total number of colonies
It is determined in accordance with the method specified in the “Hygienic
Standards for Cosmetics” of the Ministry of Health of the People's Republic of
China.
5.10 Fecal coliforms
It is determined in accordance with the method specified in the “Hygienic
Standards for Cosmetics” of the Ministry of Health of the People's Republic of
China.
5.11 Pseudomonas aeruginosa
It is determined in accordance with the method specified in the “Hygienic
Standards for Cosmetics” of the Ministry of Health of the People's Republic of
China.
5.12 Staphylococcus aureus
It is determined in accordance with the method specified in the “Hygienic
Standards for Cosmetics” of the Ministry of Health of the People's Republic of
China.
5.13 Salmonella
It is determined in accordance with the method specified in GB/T 4789.4.
5.14 Mold and yeast
It is determined in accordance with the method specified in the “Hygienic
Standards for Cosmetics” of the Ministry of Health of the People's Republic of
China.
6 Inspection rules
6.1 Batch determination
The quality inspection department of the production organization determines
the batch number of the product in accordance with its corresponding rules, the
products that are finally mixed and have uniform quality are regarded as one
batch.
6.2 Sampling methods and sampling quantities
Randomly TAKE samples from each batch of products, TAKE small samples
from each batch at 3% of the packaged pieces, but shall be not less than 3
packages, the mass of sample taken from each package shall be not less than
100 g. Quickly MIX the sample taken uniformly, CONTAIN it into two clean and
dry bottles, which shall be marked of the manufacturer name, product name,
batch number, quantity, and sampling date, one bottle is used for inspection
and the other is sealed and retained for reference.
6.3 Exit-factory inspection
6.4 Type inspection
All items specified in the requirements of this standard are type inspection items.
Type inspection is performed once every 6 months or when one of the following
conditions occurs.
6.5 Decision rules
If one of the test results does not meet the requirements of this standard, it shall
be double-sampled for re-test. If one of the retest results does not meet this
standard, the entire batch of products is judged as unqualified.
7 Marking, packaging, transportation, storage, shelf life
7.1 Marking
The packaging container shall be firmly and clearly marked. the name and
address of the manufacturer, the name and type of the product, the trademark,
the net content, the production batch number (or date of manufacture), the
standard number used, as well as “for toothpaste” or “toothpaste grade” and
the “avoiding moisture” mark in GB/T 191.
7.3 Transportation, storage
Products shall be placed in a clean, dry place during transportation or storage.
They shall not be loaded, transported or stored together with toxic substances.
Since the product is easy to absorb water, care shall be taken to avoid contact
with water and to avoid damage to the packaging during storage and
transportation.
7.4 Shelf life
Under the conditions of complying with the conditions of packaging, storage
and transportation in this standard, the product has a shelf life of 24 months
from the date of production.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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