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GB/T 29155-2012 English PDF

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US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 29155-2012: Transparent jadeite (colorless) grading
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 29155-2012	279	Add to Cart	3 days	Transparent jadeite (colorless) grading	Valid

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Basic data

Standard ID: GB/T 29155-2012 (GB/T29155-2012)
Description (Translated English): Transparent jadeite (colorless) grading
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D59
Classification of International Standard: 39.060
Word Count Estimation: 12,155
Quoted Standard: GB/T 23885-2009
Regulation (derived from): National Standards Bulletin No. 41 of 2012
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 the natural inlaid polished unmounted and transparent emerald (colorless) classification rules. This standard is not applicable to oval cabochon emerald mosaic and mosaic transparent (colorless). Non- transparent oval cabochon emer

GB/T 29155-2012: Transparent jadeite (colorless) grading

---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.
Transparent jadeite (colorless) grading ICS 39.060 D59 National Standards of People's Republic of China Emerald transparent (colorless) rating Issued on. 2012-12-31 2013-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 transparency grade 2 Texture Classification 3 5 6 Clarity grade 4 7 color tone category 4 4 8 Cut Grading 9 6 quality emerald 10 Transparent Emerald (colorless) grading certificate 6 Appendix A (normative) transparent jade (colorless) Quality Evaluation Table 7 References 8

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by the People's Republic of China Ministry of Land Resources. This standard by the National Standardization Technical Committee jewelery (SAC/TC298) centralized. This standard was drafted. Zhao Yi Xintiandi Co., the National Jewellery Quality Supervision and Inspection Center. The main drafters of this standard. Wang Yunhe, Li Xiaobo, Wang Manjun, Ke Jie, Shen Mei winter. Emerald transparent (colorless) rating

1 Scope

This standard specifies the mosaic and non-mosaic natural polished emerald transparent (colorless) grading rules. This standard applies to unmounted oval cabochon emerald and inlaid transparent (colorless). Oval cabochon emerald non-transparent (colorless) transparency, texture, tone and color clarity grade category, can refer to this standard carried out.

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 standard. GB/T 23885-2009 Emerald rating

3 Terms and Definitions

GB/T 23885-2009 define the following terms and definitions apply to this document. 3.1 Emerald transparent (colorless) transparentjadeite (colorless) GB/T 23885 in the level of transparency to achieve transparent (T1) of a colorless jade. 3.2 From transparency, texture, clarity, color tone categories, cut and quality of six aspects emerald transparent (colorless) level were divided. 3.3 Transparency rating transparencegrading Standard sample comparison method or direct observation, under specified circumstances emerald transparent (colorless) the level of transparency were divided. 3.4 Transparency standards like stone transparencegradingmasterset Three calibrated unit transmittance oval cabochon emerald transparent (colorless), followed by representatives of different transparency level from high to low. each Transparency grain-like stone located in the lower limit of the level. 3.5 Emerald transparent (colorless) color tone category huecategory Under specified circumstances emerald transparent (colorless) colors divided into categories and descriptions. 3.6 Colorimetric stone masterstone It is a cut above the ratio of good and transparent oval cabochon emerald (mass of not less than 1.000g). The color of the stone-like saturation provisions As a colorless lower limit. 3.7 Emerald transparent (colorless) cut grading cutgrading By measuring and observation, and from the ratio of the two aspects of the modified oval cabochon emerald transparent (colorless) were cut grading. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 29155-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 29155-2012_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 29155-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 29155-2012_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.