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YS/T 894-2018: (Ammonium niobate)
Status: Valid YS/T 894: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 894-2018 | English | 149 |
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(Ammonium niobate)
| Valid |
YS/T 894-2018
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| YS/T 894-2013 | English | 239 |
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Ammonium perrhenate
| Obsolete |
YS/T 894-2013
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PDF similar to YS/T 894-2018
Basic data | Standard ID | YS/T 894-2018 (YS/T894-2018) | | Description (Translated English) | (Ammonium niobate) | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H63 | | Word Count Estimation | 6,654 | | Date of Issue | 2018-04-30 | | Date of Implementation | 2018-09-01 | | Older Standard (superseded by this standard) | YS/T 894-2013 | | Regulation (derived from) | Ministry of Industry and Information Technology Announcement No.23 of 2018 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation, storage, quality certificate and contract (or purchase order) of ammonium citrate. | YS/T 894-2013: Ammonium perrhenate---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.
Ammonium perrhenate
ICS 77.120.99
H63
People's Republic of China Nonferrous Metals Industry Standard
Ammonium perrhenate
Issued on. 2013-10-17
2014-03-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard was drafted. Xuzhou ho-new material Technology Co., Ltd., Jiangxi Copper Co., Ltd., West An Honghai metal material
limited liability company.
The main drafters of this standard. Yufeng Shan, Li Xian, Wei ceremony over, cable Yong-hi, Tang Xiao Liang subsets, Wu Jun, Zeng Xiaodong, PROCEEDINGS, Yang Jun red.
Ammonium perrhenate
1 Scope
This standard specifies the rhenium ammonium requirements, test methods, inspection rules and signs, packaging, transportation, storage, quality certificate and contract (or
Orders) content.
This standard applies to mineral or waste catalyst obtained by hydrometallurgical ammonium rhenium.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 6284 General method for determination of chemical products, moisture loss on drying method
GB/T 6678 General Principles for Sampling Chemical Products
YS/T 836 high rhenium acid
YS/T 902 high-purity and high-purity ammonium perrhenate rhenium chemical analysis of beryllium, sodium, magnesium, aluminum, potassium, calcium, chromium, manganese, iron, cobalt, nickel, copper, zinc, arsenic,
Molybdenum, cadmium, indium, tin, antimony, barium, tungsten, platinum, thallium, lead, bismuth content - Inductively Coupled Plasma Mass Spectrometry
3 Requirements
3.1 Categories
Press ammonium rhenium content is divided into three levels. high-class product, first-class goods and qualified products.
3.2 Chemical composition
Ammonium perrhenate chemical composition shall comply with the requirements in Table 1.
Table 1 ammonium perrhenate chemical composition (mass fraction)%
Premium grade First grade Qualified
Ammonium rhenium content of not less than 99.99 99.90 99.0
K 0.0010 0.0040 -
Pb 0.0010 0.0040 -
Ca 0.0010 0.0020 -
Fe 0.0010 0.0020 -
W 0.0010 0.0020 -
Na 0.0010 0.0020 -
Mo 0.0010 0.0010 -
Cu 0.0005 0.0010 -
Sn 0.0005 - -
Mn 0.0005 - -
Mg 0.0005 0.0010 -
Ni 0.0005 0.0010 -
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