YS/T 237-2021 English PDFUS$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. YS/T 237-2021: (Classification, brand and naming of mineral processing chemicals) Status: Valid YS/T 237: Historical versions
Basic dataStandard ID: YS/T 237-2021 (YS/T237-2021)Description (Translated English): (Classification, brand and naming of mineral processing chemicals) Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended) Classification of Chinese Standard: H34 Word Count Estimation: 9,996 Issuing agency(ies): Ministry of Industry and Information Technology YS/T 237-2011: The classification, brand and nomenclature of the chemicals in mineral processing---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. The classification, brand and nomenclature of the chemicals in mineral processing ICS 71.100.40 H34 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 237-1994 Processing pharmaceutical product category, grade, name Issued on. 2011-12-20 2012-07-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released ForewordThis standard is in accordance with GB/T 1.1-2009 given rules drafted. Instead of the standard YS/T 237-1994, compared with YS/T 237-1994, the main changes are as follows. --- The standard of editorial changes; --- The new standard increased the complex hybrid pharmaceutical grade, naming; --- Appendix A to this standard normative appendix. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard is drafted by. Beijing General Research Institute of Mining and Metallurgy. The main drafters of this standard. Zhougao Yun, Sunshine, Liulong Li, Wu Xi group, has red, green Ru. This standard replaces the standards previously issued as follows. --- YS/T 237-1994; --- GB 3202-1982. Processing pharmaceutical product category, grade, name1 ScopeThis standard specifies the beneficiation pharmaceutical product classification, grades and nomenclature. This standard applies only to the current classification is mainly used as flotation reagent chemicals, grade representation and nomenclature.2 Requirements2.1 Classification Pharmaceutical processing in accordance with its general purpose (function) in the beneficiation process is divided into four types, code according to Table 1, series and products Species are specified in Table A.2 ~ table A.6 of. Table 1. pharmaceutical processing Categories and Chinese phonetic alphabet code Types of Chinese characters and Pinyin used Characters Pinyin Code Font Collector catch bǔ B uppercase Foaming agent from qǐ Q uppercase Adjusting agent transfer tiáo T uppercase Auxiliary aids fǔ F uppercase 2.2 grades representation Grade general agent consists of three parts, the first part of the medication type, use Hanyu Pinyin uppercase letters, respectively, B, Q, T, F. The second part shows a specific series of agents, the use of Arabic numerals, 1,2,3. The third part of the medication varieties, using Allah Bo numbers, from 01 to 600. Complex hybrid agent refers to some agents additionally add one or more (including one) other pharmaceutical chemical reactions without the risk of mixing Thereof. Mixed complex pharmaceutical grades representation. the designation confection in the main active ingredient is represented, and in front of this grade plus A F, to indicate that the drug is the main component of the agent-based complex mix of chemicals. For the different compound containing the same main ingredient Mixed agents shall be labeled with other additional information content of the main ingredient, such as the mass fraction of main component, to show the difference. Table A.6. Example 1. Type. Collector (Table 1) 1 - Series. xanthate and its derivatives (Table A.2) Variety. ethyl xanthate (Table A.2) ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of YS/T 237-2021_English be delivered?Answer: Upon your order, we will start to translate YS/T 237-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version YS/T 237-2021?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 237-2021 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. |
