GB/T 8372-2017 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 8372-2017 | English | 145 |
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Toothpaste
| Valid |
| GB 8372-2008 | English | 639 |
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Toothpaste
| Obsolete |
| GB 8372-2001 | English | 599 |
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Toothpaste
| Obsolete |
| GB 8372-1995 | English | 559 |
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Tooth paste
| Obsolete |
| GB 8372-1987 | English | RFQ |
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Tooth paste
| Obsolete |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB/T 8372-2017
GB/T 8372-2017: 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/GBT8372-2017
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 71.100.40
Y 43
Replacing GB 8372-2008
Toothpaste
Issued on. NOVEMBER 01, 2017
Implemented on. MAY 01, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the PRC;
Standardization Administration of the PRC.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Requirements... 6
5 Test methods... 8
6 Inspection rules... 18
7 Marking... 20
8 Transportation and storage... 20
Appendix A (Normative) Determination of lead content by direct injection of
graphite furnace... 21
Appendix B (Informative) Gas chromatogram of fluoride ion standard solution
... 23
1 Scope
This Standard specifies the terms and definitions, requirements, test methods,
inspection rules, marking, transportation and storage of toothpaste.
This Standard applies to toothpaste for cleansing and care of the mouth.
2 Normative references
The following documents are indispensable for the application of this document.
For the dated references, only the editions with the dates indicated are
applicable to this document. For the undated references, the latest edition
(including all the amendments) are applicable to this document.
GB/T 191 Packaging - Pictorial Marking for Handling of Goods
GB/T 601 Chemical Reagent - Preparations of Standard Volumetric
Solutions
GB/T 602 Chemical Reagent - Preparations of Standard Solutions for
Impurity
GB/T 603 Chemical Reagent - Preparations of Reagent Solutions for Use in
Test Methods
GB/T 6682 Water for analytical laboratory use - Specification and test
methods
GB 7917.2 Standard methods of hygienic test for cosmetics - Arsenic
GB 22115 General requirements on raw materials of toothpastes
GB 29337 General labeling for oral care and cleansing products
JJF 1070 Rules of Metrological Testing for Net Quantity of Products in
Prepackages with Fixed Content
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Toothpaste
A paste-like substance composed of a friction agent, a moisturizer, a thickener,
a foaming agent, an aromatic, water, and other additives (including a functional
composition for improving oral health) as the main raw materials.
4 Requirements
4.1 Safety requirements
Under normal or reasonably foreseeable conditions of use, toothpaste shall not
cause harm to human health.
4.2 Raw material requirements for toothpaste
The raw materials used in the production of toothpaste shall meet the
requirements of GB 22115.
4.4 Sensory, physical and chemical indicators
The sensory and physical and chemical indicators of toothpaste products shall
meet the requirements of Table 2.
4.5 Net quantity
The net quantity of toothpaste products shall comply with the requirements of
“Measures for the Metrological Supervision and Administration of Products in
Prepackages with Fixed Content”.
4.6 Packaging appearance requirements
5 Test methods
The reagents and water used in this Standard, unless otherwise specified, are
analytically pure reagents and water in accordance with GB/T 6682.
5.1 Microbiological indicators
It shall be in accordance with Clause 5 Microbiological inspection methods of
“Safety and Technical Standards for Cosmetics”.
5.2 Lead (Pb) content
5.2.1 General
This method is an arbitration inspection method. Non-arbitration inspection may
be carried out in accordance with the provisions of Appendix A.
5.2.2 Toothpaste with calcium carbonate or calcium hydrogen phosphate
as friction agent
5.2.2.1.12 Trichloromethane.
5.2.2.1.13 Hg2+ solution. WEIGH 0.537 g of mercury oxide in a small beaker;
ADD 1 mL of nitric acid to dissolve it; ADD about 50 mL of water and filter;
WASH the beaker and funnel with a little water. ADD about 480 mL of water;
USE 5 mol/L and 0.2 mol/L nitric acid solution to adjust the pH to 1.6; ADD water
to 500 mL. The solution contains Hg2+ 1000 μg/mL.
5.2.2.2 Apparatus
5.2.2.2.1 pH meter. Accuracy is 0.02pH unit. USE pH=4.00 buffer solution to
correct.
5.2.3 Toothpaste with silica or aluminum hydroxide as friction agent
5.2.3.1 Reagents
Sulfuric acid.
Other reagents are the same as 5.2.2.1.
5.2.3.2 Apparatus
Same as 5.2.2.2.
5.2.3.3 Preparation and determination of sample
5.2.3.3.1 Silica toothpaste
Randomly take 1 sample toothpaste, from which weigh 2 g of toothpaste,
accurate to 0.01 g; PLACE it in a 250 mL conical flask; ADD 5 mL of water and
5 mL of nitric acid; USE a small fire to heat, until the paste dissolves. Slightly
cool, add 1.5 mL of hydrogen peroxide solution and shake; USE a small fire to
heat, until reddish brown nitrogen dioxide gas generates. Immediately add 2 mL
of 10% ammonium sulfamate solution; REMOVE when slightly hot; ADD 20 mL
of water; COOL to room temperature; USE two layers of filter paper to suction-
filter.
5.2.3.3.2 Aluminum hydroxide toothpaste
Randomly take 1 sample toothpaste, from which weigh 2 g of toothpaste,
accurate to 0.01 g; PLACE it in a 250 mL conical flask; ADD 15 mL of nitric acid
and 1 mL of sulfuric acid; HEAT until reddish brown nitrogen dioxide gas
generates and remove. Slightly cool, add 2 mL of hydrogen peroxide solution
and shake;
5.2.4 Allowable difference
The allowable difference of the results of the two parallel determinations is ±5%.
5.3 Arsenic content
It shall be in accordance with the arsenic stain method in GB 7917.2.
5.4 Paste
Randomly take 2 sample toothpaste. After cutting the hose, visually test
according to the sensory indicator requirements in Table 2.
5.5 pH value
5.5.1 Apparatus
5.5.2 Determination procedure
Randomly take 1 sample toothpaste, from which weigh 5 g of toothpaste,
accurate to 0.01 g. PLACE it in a 50 mL beaker; ADD 20 mL of pre-boiled and
cooled distilled water and stir well; at 20 ° C, use a pH meter to measure; within
10 min, read the indicated value.
5.5.3 Result representation
The absolute difference of the parallel measured values is not more than 0.1pH
unit. The arithmetic mean is taken as the measurement result.
5.6 Stability
5.6.1 Apparatus
5.6.2 Determination procedure
TAKE 2 sample toothpaste. 1 sample is stored at room temperature. The other
sample is placed in a refrigerator at -8 °C±1 °C. After 8 h, it is taken out; then
placed in a constant-temperature incubator at 45 °C±1 °C and taken out after 8
h. Restore to room temperature; OPEN the lid; the paste shall not overflow the
hose mouth. INVERT the toothpaste hose. Within 10 s, no liquid shall drip out
from the hose mouth. After the paste is squeezed out, it is compared with the
sample stored at room temperature. The fragrance and color shall be normal.
5.7 Hard particles
5.7.1 Apparatus
6 Inspection rules
6.1 Inspection classification
6.1.1 Type inspection
Toothpaste type inspection includes all items in the standard. During normal
production, it shall not be less than one time per quarter. In one of the following
cases, type inspection shall also be carried out.
6.1.2 Exit-factory inspection
The product must pass the inspection of the manufacturer before it can leave
the factory. The exit-factory inspection items are the physical and chemical
indicators, sensory indicators, total number of colonies among microbiological
indicators, net quantity, and packaging appearance requirements specified in
Clause 4.
6.2 Lot grouping and sampling, decision rules
6.2.1 Lot grouping
Toothpaste shall be delivered in lots. The finished product of the same
specification produced by the same raw materials and the same process
conditions is one lot.
6.2.2 Sampling
SAMPLE in boxes. According to the lot size, determine the sample according
to Table 3.
6.2.3 Decision rules
6.2.3.1 If the inspection fails, samples may be re-taken from the double number
of box sample, to re-inspect the unqualified item. If the re-inspection result is
still unqualified, this lot of products is judged to be unqualified.
7 Marking
7.1 The sales packaging and maximum surface area calculation method of the
product shall be carried out in accordance with the provisions of GB 29337.
7.2 Large packaging shall have the following marks.
8 Transportation and storage
8.1 Transportation
It must be lightly loaded and unloaded and stacked according to box arrows. It
shall avoid severe shake, impact, and sun and rain.
8.2 Storage
It shall be stored in a ventilated and dry warehouse. It shall not be close to the
water source and heating. When stacking, it shall be more than 10 cm away
from the ground and be more than 50 cm away from the wall, leaving the
passage.
...... Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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