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YS/T 394-2007 English PDF

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Q: Should I purchase the latest version YS/T 394-2007?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 394-2007 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.

US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YS/T 394-2007: Tantalum concentrate
Status: Valid

YS/T 394: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 394-2007	199	Add to Cart	3 days	Tantalum concentrate	Valid
YS/T 394-1994	199	Add to Cart	2 days	(Tantalum concentrate)	Obsolete

Similar standards

YS/T 254.1 GB/T 27682 GB/T 17413.1 YS/T 235 YS/T 300 YS/T 231

Basic data

Standard ID: YS/T 394-2007 (YS/T394-2007)
Description (Translated English): Tantalum concentrate
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: D43
Classification of International Standard: 73.060
Word Count Estimation: 6,686
Date of Issue: 2007-11-14
Date of Implementation: 2008-05-01
Older Standard (superseded by this standard): YS/T 394-1994
Quoted Standard: GB/T 1480; GB/T 11713; GB 20664; YS/T 358.1; YS/T 358.2; YS/T 358.3; YS/T 358.4; YS/T 358.5; YS/T 358.6; YS/T 358.7; YS/T 358.8; YS/T 358.9; YS/T 358.10; YS/T 358.11; YS/T 358.12
Regulation (derived from): NDRC Notice No. 77 of 2007
Issuing agency(ies): National Development and Reform Commission
Summary: This standard specifies the tantalum concentrate requirements, test methods, test rules, marking, packaging, transportation, storage and purchase order (or contract) content. This standard applies to mineral enrichment obtained by tantalum concentrate. Products for the extraction and manufacture of tantalum and niobium oxide alloy used.

YS/T 394-2007: Tantalum concentrate

---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.
Tantalum concentrate ICS 73.060 D43 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 394-1994 Tantalum Concentrate Posted 2007-11-14 2008-05-01 implementation National Development and Reform Commission issued

Foreword

Instead of the standard YS/T 394-1994 "tantalum concentrate." Compared with this standard YS/T 394-1994 main changes are as follows. --- Of tantalum concentrate grade is adjusted to four; --- Chemical composition of each grade product made appropriate adjustments. This standard by the National Standardization Technical Committee of non-ferrous metals and centralized. This standard by the National Standardization Technical Committee is responsible for interpretation of non-ferrous metals. This standard by the Yichun Ta-Nb ore responsible for drafting. This standard by the Jiujiang non-ferrous metal smelters participated in the drafting. The main drafters of this standard. Peng Yonghua, Liu Lixin, Jiang Xiaopeng, Zhang Hao, Guo Wenping. This standard replaces the standards previously issued as follows. --- YB830-1975, YB5000-1987, YS/T 394-1994. Tantalum Concentrate

1 Scope

This standard specifies the tantalum concentrate requirements, test methods, inspection rules, marking, packaging, transportation, storage and purchase order (or contract) content. This standard applies to tantalum concentrate obtained by beneficiation enrichment. Products for the extraction of tantalum oxide and niobium alloys with manufacturing.

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 1480 Determination of particle size metal powder dry sieving GB/T 11713 semiconductor γ γ spectrometer analysis of low specific activity radioactive sample standard methods GB 20664 non-ferrous minerals natural radioactivity limits YS/T 358 (all parts), iron, tantalum, niobium chemical analysis of iron ore

3 Requirements

3.1 Categories Product chemical composition is divided into four grades, with grade ore in the calculation. 3.2 Chemical composition Chemical composition of each grade products should meet the requirements in Table 1. Table 1% grade Chemical composition (mass fraction) Ta2O5 + Nb2O5 not less than Ta2O5 not less than Impurity content of not more than TiO2 SiO2 WO3 First Grade 5032672 Second Grade 4428672 Grade III 35,237,132 Four products 30,207,182 Note 1. The product U3O8, ThO2 content should provide measured data; Note 2. The chemical composition of the product there are other requirements, the two sides negotiated by supply and demand. 3.3 size Particle size of not more than 2mm, which is greater than 0.8mm no more than 10%. 3.4 appearance quality Products shall not be mixed foreign inclusions. 3.5 Natural Radioactivity Products natural radionuclides should meet the requirements of GB 20664. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YS/T 394-2007_English be delivered?

Answer: Upon your order, we will start to translate YS/T 394-2007_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 YS/T 394-2007_English with my colleagues?

Answer: Yes. The purchased PDF of YS/T 394-2007_English will be deemed to be sold to your employer/organization who actually pays 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+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version YS/T 394-2007?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 394-2007 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.