GB/T 26370-2020 PDF EnglishUS$155.00 · In stock · Download in 9 seconds
GB/T 26370-2020: Hygienic Requirements for Disinfectant Containing Bromine Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 26370: Historical versions
Similar standardsGB/T 26370-2020: Hygienic Requirements for Disinfectant Containing Bromine---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/GBT26370-2020GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 11.080 C 50 Replacing GB/T 26370-2010 Hygienic Requirements for Disinfectant Containing Bromine ISSUED ON: JUNE 02, 2020 IMPLEMENTED ON: DECEMBER 01, 2020 Issued by: State Administration for Market Regulation; Standardization Administration of PRC. Table of ContentsForeword ... 3 1 Scope ... 6 2 Normative References ... 6 3 Terms and Definitions ... 7 4 Requirements for Raw Materials ... 7 5 Technical Requirements ... 7 6 Application Range ... 9 7 Use Methods ... 9 8 Inspection Methods ... 9 9 Packaging, Transportation and Storage ... 10 10 Marking, Label and Instruction Manual ... 11 Appendix A (Normative) Determination of Bromochloro-5,5-Dimethylhydantoin Content and Available Halogen (by Cl) Content ... 12 Appendix B (Normative) Determination of 1,3-Dibromo-5,5-Dimethylhydantoin Content and Available Bromine (by Br) Content ... 15ForewordThis Standard was drafted as per the rules specified in GB/T 1.1-2009. This Standard replaced GB/T 26370-2010 Hygienic Standard for Disinfectants with Bromine. Compared with GB/T 26370-2010, this Standard has the major technical changes as follows: --- Delete "Precautions" and "This Standard is not applicable the disinfectants combined the bromochloro-5,5-dimethylhydantoin or 1,3-dibromo-5,5- dimethylhydantoin with effective ingredients of other disinfectants" from the scope of the standard (see Clause1 of 2010 Edition); --- Add the normative references (see Clause 2 of this Edition); --- Modify the terms and definitions of bromine-containing disinfectants (see 3.1 of this Edition; 3.1 of 2010 Edition); --- Delete the terms and definitions of general object surfaces (see 3.4 of 2010 Edition); --- Modify the raw material requirements (see Clause 4 of this Edition; Clause 4 of 2010 Edition); --- Delete the sensory attribute requirements (see 5.1 of 2010 Edition); --- Increase the mass fraction requirements of bromine and chlorine (see Table 1 of this Edition); --- Modify the requirements for the mass fraction of bromochloro-5,5- dimethylhydantoin, available halogen (by Cl) and loss on drying (see Table 1 of this Edition; Table 1 of 2010 Edition); --- Delete the available halogen reduction rate index requirements within the validity period (see Table 1 of 2010 Edition); --- Modify the requirements for the mass fraction of 1,3-dibromo-5,5- dimethylhydantoin, available bromine (by Br) and loss on drying (see Table 2 of this Edition; Table 2 of 2010 Edition); --- Delete the available bromine reduction rate index requirements within the validity period (see Table 2 of 2010 Edition); --- Increase the weight difference of the disinfectant product tablets produced by using bromochloro-5,5-dimethylhydantoin disinfectant or 1,3-dibromo-5,5- dimethylhydantoin disinfectant and other non-disinfecting factors (accessories); Hygienic Requirements for Disinfectant Containing Bromine1 ScopeThis Standard specifies the raw material requirements, technical requirements, application scope, use methods, inspection methods, packaging, transportation and storage, marking, labeling and instruction manual of bromine-containing disinfectants. This Standard is applicable to disinfectants that use bromochloro-5,5- dimethylhydantoin or 1,3-dibromo-5,5-dimethylhydantoin as the bactericidal component.2 Normative ReferencesThe 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) is 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 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/T 21845 Chemicals - Water Solubility Test GB/T 23849 1,3-Dibromo-5,5-dimethylhydantoin GB/T 23854 Bromochloro-5,5-dimethylhydantoin Pharmacopoeia of the People’s Republic of China (2015 Edition, Four Volumes) Technical Standard for Disinfection (2002 Edition) [Ministry of Health (WFJF (2002) No.282]3 Terms and DefinitionsFor the purpose of this document, the following terms and definitions apply. 3.1 disinfectant containing bromine The disinfectant, after dissolving in water, can be hydrolyzed to generate hypobromous acid and has a sterilizing effect. 3.2 Available bromine The amount of bromine equivalent to the oxidizing ability of bromine-containing disinfectant, and measuring the oxidizing ability of bromine-containing disinfectant. NOTE: Its content is expressed by mass concentration (mg/L) or mass fraction (%). 3.3 Available halogen The total amount of halogen equivalent to the oxidizing ability of halogen-containing disinfectants, and measuring the oxidizing ability of halogen-containing disinfectant. NOTE: Its content is expressed by mass concentration (mg/L) or mass fraction (%).4 Requirements for Raw Materials4.1 Bromochloro-5,5-dimethylhydantoin shall meet the technical index requirements for qualified products specified in GB/T 23854. If accessories are added, the accessories shall comply with relevant standards and regulations. 4.2 1,3-Dibromo-5,5-dimethylhydantoin shall meet the technical index requirements for qualified products specified in GB/T23849. If accessories are added, the accessories shall comply with relevant standards and regulations.5 Technical Requirements5.1 Physical and chemical index 5.1.1 Bromochloro-5,5-dimethylhydantoin disinfectant The mass requirements shall comply with the provisions of Table 1. bromine content It shall be carried out as per Appendix B. 8.2 Determination of solubility It shall be carried out as per GB/T 21845. 8.3 Determination of loss on drying 8.3.1 1,3-Dibromo-5,5-dimethylhydantoin disinfectant shall be carried out as per the method specified in GB/T 23849. 8.3.2 Bromochloro-5,5-dimethylhydantoin disinfectant shall be carried out as per the method specified in GB/T 23854. 8.4 Determination of weight difference for tablets It shall be carried out as per the method stipulated in The Pharmacopoeia of the People's Republic of China (2015 Edition, Four Volumes). 8.5 Determination of the disintegration time limit of effervescent tablets It shall be carried out as per the method stipulated in The Pharmacopoeia of the People's Republic of China (2015 Edition, Four Volumes). 8.6 Determination of disinfection effect It shall be carried out as per Technical Standard for Disinfection (2002 Edition).9 Packaging, Transportation and Storage9.1 Packaging It shall meet the requirements of GB/T 23849 or GB/T 23854. 9.2 Transportation During transportation, it shall not be mixed with other goods; and is forbidden to transport together with acids or alkalis, easily oxidized organic matter, and reducing substances. Covers shall be provided to prevent sunlight, rain, and moisture; and the packaging shall be kept intact and clearly marked. 9.3 Storage It shall be stored in a cool, dry place; protected from the sun, rain, and moisture. It is forbidden to store together with acids or alkalis and easily oxidized organics andAppendix A(Normative) Determination of Bromochloro-5,5-Dimethylhydantoin Content and Available Halogen (by Cl) Content A.1 Principle In acid solutions, bromine-containing disinfectants may oxidize potassium iodide to iodine. Use starch solution as indicator to titrate the generated iodine by sodium thiosulfate solution; and calculate the content of available halogen (by Cl) based on the consumed amount of sodium thiosulfate solution. A.2 Reagents or materials Safety Tips: Sulfuric acid is a strong acid and is corrosive, so pay attention to it when using. When splashing on the body, rinse with plenty of water, avoid inhalation or contact with skin. Unless otherwise specified, the reagents used in this method are all analytically pure; and the test water is the Class-I water specified in GB/T 6682. A.2.1 Potassium iodide solution: 300g/L potassium iodide (analytically-pure) solution. A.2.2 Sulfuric acid solution: it is prepared by adding 1 portion of 95%~98% analytically- pure sulfuric acid to 5 portions of deionized water. A.2.3 Starch indicator: 10g/L starch solution, prepared according to GB/T 603. A.2.4 Sodium thiosulfate solution: 0.1mol/L sodium thiosulfate titrant, prepared and calibrated according to GB/T 601. A.3 Apparatus A.3.1 Electronic analytical balance: accuracy of 0.1mg. A.3.2 Magnetic stirrer. A.4 Test procedures A.4.1 Powders and granules may be weighed directly; and tablets are weighed after grinding with a dry mortar. A.4.2 Weigh 0.15g of sample (accurate to 0.0001g); add it to a dry and clean 250mLAppendix B(Normative) Determination of 1,3-Dibromo-5,5-Dimethylhydantoin Content and Available Bromine (by Br) Content B.1 Principle In acid solutions, bromine-containing disinfectants may oxidize potassium iodide to iodine. Use starch solution as indicator to titrate the generated iodine by sodium thiosulfate solution; and calculate the available bromine content and 1,3-dibromo-5,5- dimethylhydantoin content according to the consumed amount of sodium thiosulfate solution. B.2 Reagents or materials Safety Tips: Sulfuric acid is a strong acid and is corrosive, so pay attention to it when using. When splashing on the body, rinse with plenty of water, avoid inhalation or contact with skin. Unless otherwise specified, the reagents used in this method are analytically-pure, and the test water is the Class-I water specified in GB/T 6682. B.2.1 Potassium iodide: analytically-pure. B.2.2 Sulfuric acid solution: it is prepared by adding 1 portion of 95% ~ 98% analytically-pure sulfuric acid to 8 portions of deionized water. B.2.3 Starch indicator: 5g/L starch solution, prepared according to GB/T 603. B.2.4 Sodium thiosulfate solution: 0.1mol/L sodium thiosulfate titrant, prepared and calibrated according to GB/T 601. B.3 Apparatus B.3.1 Electronic analytical balance: accuracy of 0.1mg. B.3.2 Magnetic stirrer. B.4 Test procedures B.4.1 Powders and granules may be weighed directly; and tablets shall be weighed after grinding with a dry mortar. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 26370-2020 be delivered?Answer: The full copy PDF of English version of GB/T 26370-2020 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 26370-2020_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 26370-2020_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB/T 26370-2020 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.Question 5: Should I purchase the latest version GB/T 26370-2020?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 26370-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.How to buy and download a true PDF of English version of GB/T 26370-2020?A step-by-step guide to download PDF of GB/T 26370-2020_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).Step 2: Search keyword "GB/T 26370-2020". Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart. Step 4: Select payment option (Via payment agents Stripe or PayPal). Step 5: Customize Tax Invoice -- Fill up your email etc. Step 6: Click "Checkout". Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively. Step 8: Optional -- Go to download PDF. Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice. See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9 |
