GB/T 8072-2012 English PDFUS$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 8072-2012: Method of sampling and preparation for chrysotile asbestos Status: Valid GB/T 8072: Historical versions
Basic dataStandard ID: GB/T 8072-2012 (GB/T8072-2012)Description (Translated English): Method of sampling and preparation for chrysotile asbestos Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Q61 Classification of International Standard: 73.080 Word Count Estimation: 8,81 Older Standard (superseded by this standard): GB 8072-1987 Regulation (derived from): National Standards Bulletin No. 41 of 2012 Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the chrysotile products from batch extraction and preparation of samples for testing procedures. This standard applies to chrysotile. Other mineral fiber extraction and preparation of samples may also refer to adopt. GB/T 8072-2012: Method of sampling and preparation for chrysotile asbestos---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.ICS73.080 Q61 National Standards of People's Republic of China Replacing GB 8072-1987 Chrysotile asbestos sampling and sample preparation method Issued on. 2013-09-01 2012-12-31 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard rule according to GB/T 1.1-2009 given draft. This standard replaces GB 8072-1987 "chrysotile sampling and sample preparation method." This compared with standard GB 8072-1987, mainly amended as follows. --- Standard mandatory nature of the change recommended; --- Increase the warning (see range before); --- Remove the terminology (see the 1987 edition of the Chapter 1); --- Increased safety requirements (see Chapter 2); --- The provisions of bagged bulk sampling moved bagged requirements (see 411, 1987, version 2.1 and 4.1.1.); --- The Bulk batch specified by the "same level grade asbestos fibers having a sampling heap" to "the same level with the same origin Grades with a bunch of (or the same car) is a group of asbestos fibers "(see 4.2 1, 1987 edition of 4.2.1). The standard proposed by China Building Materials Federation. The standard and non-metallic mineral products by the National Standardization Technical Committee (SAC/TC406) centralized. This standard was drafted. Non-metallic Minerals Xianyang Research and Design Institute Limited. The main drafters of this standard. Shang Xingchun, ZHANG Xiu-fen, Shi Zhigang. This standard was first published in 1987, this is the first revision. Chrysotile asbestos sampling and sample preparation method WARNING. Materials containing asbestos should take precautions at disposal, and should be consistent with national laws and regulations, ensure that they are human Does not constitute a health and environmental hazard.1 ScopeThis standard specifies the product extracted from chrysotile batch and preparation of samples for testing procedures. This standard applies to chrysotile. Extraction and preparation of other mineral fibers can also refer to the use of samples. 2 - Safety requirements And staff prepared to take samples of chrysotile asbestos should wear dust masks, gloves and overalls. Air flow rate sampling points should not exceed 0.5m/s, around the sampling point should not have non-wearing dust masks within 20m, gloves and overalls Personnel exist. Sample preparation should be in a confined space, it should normally vacuum cleaning facilities.3 equipment and tools3.1 division value of not more than 0.05kg scales one; a load of not less than 2000g, dividing the value of not more than 2g a balance; scale value is not In 0.2g of a balance. 3.2 fiber conditioning machine, spindle speed 525r/min ± 25r/min, see Figure 1. 3.3 fiber press, working pressure 600kPa ± 60kPa, shown in Figure 2. 3.4 Sheng-like containers, sealable container drying capacity of not less than 100L. 3.5 surface smooth, clean tables and sub-model and other auxiliary tools.4 sampling4.1 Sampling bags 4.1.1 batch and the sample size 400 bags of a batch check. Less than 400 bags a check upon the terms of batches, each batch of checks drawn 40 bags, each bag from hand to crawl One around each to 150g, the composition of a mixed sample of approximately 6kg. When the batch is greater than 400 less than 4000 bags of bags, the total mixed sample of each composite sample composition. 4.1.2 Sampling procedures 4.1.2.1 The subjects bagged asbestos according to 4.1.1 into several inspection lot. 4.1.2.2 The inspection lot forty aliquots, each aliquot in any appropriate location selected a bag, take a sample from the bag, the composition of mixed samples. If the inspection lot less than 40 bags, each bag from the different parts of a sample of more than crawl. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 8072-2012_English be delivered?Answer: Upon your order, we will start to translate GB/T 8072-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 8072-2012_English with my colleagues?Answer: Yes. 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Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 8072-2012 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. |
