SN/T 1790-2006 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 1790-2006	439	Add to Cart	3 days	Methods for sampling and preparing sample of phosphate ores in bulk	Obsolete

Similar standards

GB/T 1870   GB/T 1873   GB/T 1868   SN/T 4374   

Basic data

Standard ID: SN/T 1790-2006 (SN/T1790-2006)
Description (Translated English): Methods for sampling and preparing sample of phosphate ores in bulk
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: D51
Classification of International Standard: 73.080
Word Count Estimation: 11,136
Date of Issue: 2006-04-25
Date of Implementation: 2006-11-15
Quoted Standard: GB/T 2007.3; GB/T 2007.4; GB/T 2007.5
Regulation (derived from): Industry Standard Notice 2006 No. 7 (No. 79 overall)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the bulk phosphate rock sampling, sample preparation and moisture determination procedures and methods. This standard applies to bulk chemical composition of phosphate rock and water samples for measurement and preparation.

SN/T 1790-2006: Methods for sampling and preparing sample of phosphate ores in bulk

---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.
Methods for sampling and preparing sample of phosphate ores in bulk Book of the People's Republic of China Entry and Exit Inspection and Quarantine Bulk phosphate rock sampling and sample preparation method Released on.2006-04-25 Implementation of.2006-11-15 People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

This standard is proposed and managed by the National Certification and Accreditation Administration. This standard was drafted. Guangdong Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this standard. Huang Qibin, Yang Weiguo. This standard is the first industry standard for entry-exit inspection and quarantine. Bulk phosphate rock sampling and sample preparation method

1 Scope

This standard specifies procedures and methods for sampling, sample preparation and moisture determination of bulk phosphate rock. This standard applies to the chemical composition of bulk phosphate ore and the preparation and preparation of samples for moisture determination.

2 Prescriptive references

The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard. GB/T.2007.3 Bulk mineral products sampling, sample preparation general assessment of quality fluctuation test methods GB/T.2007.4 General rules for sampling and sample preparation of bulk mineral products GB/T.2007.5 Bulk mineral products sampling, sample preparation general sampling system error check test method

3 General regulations

3.1 This standard specifies the total precision of sampling, sample preparation and determination of different batches of phosphate rock. βSDM and sampling precision βS are included in P2O5 For the meter, see Table 1. Table 1 Different batches of phosphate rock should take the minimum number of samples and precision β Batch/t > ≤ Quality fluctuations /% Small SV≤0.7, 0.7< SV< 1.5, large SV≥1.5 βS βSDM βS βSDM βS βSDM Sampling unit 500 10 0.44 0.67 20 0.63 0.80 40 0.63 0.81 1 500 1000 15 0.36 0.62 29 0.52 0.72 57 0.53 0.73 1 1000.2000 20 0.31 0.59 40 0.44 0.67 80 0.45 0.67 1 2000 5000 32 0.25 0.56 64 0.35 0.61 127 0.35 0.61 1 5000 10000 45 0.21 0.54 90 0.30 0.58 179 0.30 0.58 2 10000.20000 64 0.18 0.53 127 0.25 0.56 253 0.25 0.56 2 20000 40000 90 0.15 0.52 179 0.21 0.54 358 0.21 0.54 2 40000 60000 110 0.13 0.52 220 0.19 0.53 439 0.19 0.54 2 60000 80000 127 0.12 0.52 253 0.18 0.53 506 0.18 0.53 2 In Table 1, βS and βSDM are calculated according to formulas (1) and (2), respectively. βS = 2 S2w 槡 狌 狌 (1) βSDM = 2 S2w Shape '+S DM 槡狌(2) In the formula. Shape----the number of parts in the unit ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 1790-2006_English be delivered?

Answer: Upon your order, we will start to translate SN/T 1790-2006_English as soon as possible, and keep you informed of the progress. The lead time is typically in 9 seconds (download/delivered in 9 seconds). The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SN/T 1790-2006_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 1790-2006_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.