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GB/T 25943-2010 English PDF

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US$374.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 25943-2010: Aluminium ores -- Experimental methods for checking the precision of sampling
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25943-2010	374	Add to Cart	3 days	Aluminium ores -- Experimental methods for checking the precision of sampling	Valid

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Basic data

Standard ID: GB/T 25943-2010 (GB/T25943-2010)
Description (Translated English): Aluminium ores -- Experimental methods for checking the precision of sampling
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H30
Classification of International Standard: 73.060.40
Word Count Estimation: 19,161
Date of Issue: 2010-12-23
Date of Implementation: 2011-09-01
Quoted Standard: GB/T 25944-2010; GB/T 25945-2010; GB/T 25949-2010
Adopted Standard: ISO 10277-1995, IDT
Regulation (derived from): National Standard Approval Announcement 2010 No.10 (Total No.165)
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 test methods test bauxite sampling precision. And in accordance with GB/T25945-2010 (ISO8685) requirements expressed in the form of standard deviation. This standard applies to test the accuracy of bauxite samples.

GB/T 25943-2010: Aluminium ores -- Experimental methods for checking the precision of sampling

---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.
Aluminium ores. Experimental methods for checking the precision of sampling ICS 73.060.40 H30 National Standards of People's Republic of China Bauxite Experimental test the precision of sampling method Aluminiumores- (ISO 10277.1995, IDT) Issued on. 2010-12-23 2011-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard uses the translation method identical with ISO 10277.1995 "bauxite sampling precision test experimental methods." Appendix A of this standard is a normative appendix. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard was drafted. Aluminum Corporation of China Shandong Branch, China Nonferrous Metals Industry Standards and Metrology Institute for Quality. The main drafters of this standard. An Kun, Shao Jing, Teng Xiaofeng, Yang Kaiguo, Pei Yan, Wang Gang, were Lihua. Bauxite Experimental test the precision of sampling method

1 Scope

This standard specifies the test bauxite sampling precision experimental methods and in accordance with GB/T 25945-2010 (ISO 8685) provides that in standard Standard deviation in the form of representation. This standard applies to testing bauxite sampling accuracy. Note 1. These methods are also useful for checking the accuracy of the sample preparation and make provisions GB/T 25949-2010 (ISO 6140) in.

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 25944-2010 bauxite installment unevenness of the experimentally determined (ISO 6139.1993, IDT) GB/T 25945-2010 bauxite sampling procedures (ISO 8685.1992, IDT) GB/T 25949-2010 bauxite sample preparation (ISO 6140.1991, IDT)

3 Symbol

This standard uses the following symbols. d2. the given range within the standard deviation estimated coefficient (the pair of measured values, d2 = 1.128); n. number of sample parts; R1. A subsample of the absolute value of the difference between the measured values \u200b\u200bof the subsamples B; R1. For sampling unit ns, subsample A and subsample B measurement of the absolute difference between the average value; R2. shrink minutes after the sub-sample B1 and B2, the absolute value of the difference between the value of its determination; R2. For the sampling unit ns, shrink minutes after the subsamples B1 and B2 measured value of the difference between the average of the absolute; R3. while shrinking minutes after the subsamples B2, the absolute value of the difference between the value of its determination; R3. For the sampling unit ns, while shrinking the subsamples B2 minutes after the measured value of the difference between the average of the absolute; X. Vice samples; X. the average quality characteristics; X1. A subsample of measurements; X2. measurement of subsample B; X3. measurements and dividing after subsample of B1; X4. measurements and dividing after subsample of B2; Xi. irrespective of the value of the i; Xri. i-correlation value; σ ^ S. sample standard deviation; σ ^. estimates of σ; ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 25943-2010_English be delivered?

Answer: Upon your order, we will start to translate GB/T 25943-2010_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 25943-2010_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 25943-2010_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.