YS/T 96-2021 English PDF

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YS/T 96-2021: (Method for sample preparation and analysis of gold and silver in bulk flotation copper concentrate)
Status: Valid

YS/T 96: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 96-2021	239	Add to Cart	3 days	(Method for sample preparation and analysis of gold and silver in bulk flotation copper concentrate)	Valid
YS/T 96-2009	359	Add to Cart	3 days	The methods of sampling and assaying for gold and silver content in the bulk flotation copper concentrates	Obsolete
YS/T 96-1996	319	Add to Cart	3 days	(Bulk flotation copper concentrate, lead concentrate in gold, silver Sampling and Preparation Methods)	Obsolete

Similar standards

YS/T 575.19   SN/T 3510   GB/T 8152.1   YS/T 319   YS/T 318   YS/T 301   

Basic data

Standard ID: YS/T 96-2021 (YS/T96-2021)
Description (Translated English): (Method for sample preparation and analysis of gold and silver in bulk flotation copper concentrate)
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: D42;H60
Word Count Estimation: 10,177
Issuing agency(ies): Ministry of Industry and Information Technology

YS/T 96-2009: The methods of sampling and assaying for gold and silver content in the bulk flotation copper concentrates

---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 methods of sampling and assaying for gold and silver content in the bulk flotation copper concentrates ICS 77.150.01 H60 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 96-1996 Bulk flotation gold in copper concentrates, silver Analysis of sampling and sample preparation method Posted 2009-12-04 2010-06-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

Instead of the standard YS/T 96-1996 "bulk flotation of copper concentrate, lead concentrate of gold, silver analysis sampling and sample preparation method." This standard YS/T 96-1996 compared to the present standard the following modifications. --- Will lead concentrate portion omitted; --- Increase the quality of forecasting terms, increasing the sampling terms of landing; --- The 3.3 "and reduction of sub-sampling method according to GB 14262-1993 or GB 14263-1993 in 4.2" and 3.5 "in strict accordance with This standard specifies the method for sampling and sample preparation "omitted; --- The 3.6 components samples saved from the "proper" to "dry environment at room temperature"; --- 5.4.1 adds "sample mixing method"; --- The sample preparation procedure "full amount over 0.083mm sieve" to "the whole amount of free passage 0.09mm standard sieve"; --- Modified "5.3 sample preparation procedure" in the flow chart of sample preparation. This standard by the National Standardization Technical Committee of non-ferrous metals and centralized. This standard is drafted by. Daye Nonferrous Metals Company. Participated in the drafting of this standard. Tongling Nonferrous Metals Group Holdings Co., Jiangxi Copper Group, Yunnan Copper Company. The main drafters of this standard. Cheng Xi, Liu Zhengming, Hu Xinping, Bi Jianming, Kang Peng, Li Baodi, a micro Wu, Wu Zhiqing, He Zhenghua. This standard replaces the standards previously issued as follows. --- YS/T 96-1996. Bulk flotation gold in copper concentrates, silver Analysis of sampling and sample preparation method

1 Scope

This standard specifies the bulk flotation of copper concentrate associated gold, silver analysis sampling, sample preparation methods. Sampling and Preparation This standard applies to bulk flotation associated gold in copper concentrates (1g/t ~ 15g/t), silver (≤2000g/t) analysis, scope of application Wai. Au. 1g/t ~ 15g/t, Ag. ≤2000g/t. Gold, silver content is not within the scope of copper concentrate a reference implementation of this method.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 14260-1993 heavy nonferrous metals flotation concentrates in bulk sampling and sample preparation General GB/T 14263 bulk flotation of copper concentrate sampling, sample preparation method

3 General Provisions

3.1 Copper Concentrates associated gold, silver and total quality fluctuations classification accuracy as shown in Table 1. Table 1 Volatility classification and total precision Quality variation type grade Au/(g/t) Ag/(g/t) 1 ~ 15 ≤500 < 500 ~ 2000 Great σW > 2.5 σW > 30 σW > 50 The 1.0 < σW≤2.5 15 < σW≤30 30 < σW≤50 Small σW≤1.0 σW≤15 σW≤30 Total precision βSPM 1.0 20 20 ~ 80 3.2 copper concentrate inspection lot (about 60t) at least parts of the number of samples in Table 2. Table 2 parts minimum number of samples of copper concentrate Quality variation type Average grade Au/(g/t) Ag/(g/t) 1 ~ 15 ≤500 500 ~ 2000 Large 361 620 In 25912 Small 846 3.3 standard gold, silver content (g/t) as the quality characteristics of copper concentrate. 3.4 component samples should be stored at room temperature for 3 months in a dry environment, for verification. 3.5 Sampling and sample preparation used equipment, tools and sample container filled must be kept clean and dry. Sheng sample container should be better seal to prevent test Kind of deterioration. ......

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