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Similar standardsGB/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/GBT8372-2017NATIONAL 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 ContentsForeword... 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 ... 231 ScopeThis 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 referencesThe 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 Content3 Terms and definitionsThe 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 Requirements4.1 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 requirements5 Test methodsThe 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 Apparatus6 Inspection rules6.1 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 Marking7.1 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 storage8.1 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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