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SN/T 3873-2014 English PDF

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US$319.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 3873-2014: Determination of total mercury in medicinal herbs for export
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3873-2014	319	Add to Cart	3 days	Determination of total mercury in medicinal herbs for export	Valid

Similar standards

GB/T 12729.3 GB/T 12729.2 SN/T 0803.6 SN/T 5131 SN/T 3874 SN/T 3650

Basic data

Standard ID: SN/T 3873-2014 (SN/T3873-2014)
Description (Translated English): Determination of total mercury in medicinal herbs for export
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: B38
Classification of International Standard: 65.020.20
Word Count Estimation: 12,137
Quoted Standard: GB/T 6682
Regulation (derived from): AQSIQ notification issued in 2014 on the first batch of 230 industry-standard entry-exit inspection and quarantine
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the medicinal plants of total mercury by inductively coupled plasma mass spectrometry (ICP/MS) and atomic fluorescence determination. This standard is applicable to the determination safflower, Chuanxiong, angelica, ginseng, forsyt

SN/T 3873-2014: Determination of total mercury in medicinal herbs for export

---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.
(Export of medicinal plants total mercury - Determination) People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of total mercury export of medicinal plants Issued on. 2014-01-13 2014-08-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. Please note that some of the content of this document may involve patents. Distribution of this document Institutions do not assume the responsibility to identify these patents. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Beijing Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Wang Jinhua, peak, deep Korea, Liu Ying, Linyuan Hui, Feng Qian. Determination of total mercury export of medicinal plants

1 Scope

This standard specifies the medicinal plants of total mercury by inductively coupled plasma mass spectrometry (ICP/MS) and atomic fluorescence determination. This standard applies to safflower, measured Angelica sinensis, ginseng, forsythia, senna and other medicinal plants or medicinal plants like total mercury, Lower limit of detection was 0.005mg/kg.

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. Laboratory use specifications and test methods GB/T 6682 Analysis The first Inductively Coupled Plasma Mass Spectrometry

3 Method summary

The samples were acid digestion, the sample solution is introduced into an inductively coupled plasma mass spectrometer, compared with standard series quantitation.

4 Reagents and materials

Unless otherwise stated, all reagents superior grade pure water in line with GB/T 6682 provided a water. 4.1 nitrate. 4.2 sulfuric acid. 4.3 30% hydrogen peroxide. 4.4 sulfate nitrate mixed acid (118). the amount of 10mL of nitric acid (4.1) and 10mL sulfuric acid (4.2), slowly pour 80mL Water, mix carefully after cooling. 4.5 mercury standard stock solution. Precision Weigh 0.1354g dried mercury chloride, nitrate plus sulfuric acid mixture (118) (4.4), dissolved moved into 100mL volumetric flask, and dilute to volume, mix, and this solution is equivalent to 1mg per milliliter of mercury; or 1000mg/L (GB W08617), China Institute of Metrology. 4.6 gold standard stock solution. 100mg/L (GB W08650), China Institute of Metrology. 4.7 yttrium standard stock solution. 1000mg/L (GB W08657), China Institute of Metrology. 4.8 2% nitric acid solution. 20mL exact amount of nitric acid (4.1), diluted with water to 1000mL volumetric flask. 4.9 Mercury intermediate standard solution. take the exact amount of mercury standard stock solution (4.5) 1mL, plus 2% nitric acid solution (4.8) diluted to 100mL volume Flask, the standard solution of 10mg/L mercury standard intermediate solution. 4.10 gold standard intermediate solution. the exact amount of the gold standard stock solution (4.6) 10mL, plus 2% nitric acid solution (4.8) diluted to volume 100mL flask, the standard solution of 10mg/L gold standard intermediate solution. 4.11 yttrium internal standard solution. take the exact amount of yttrium standard stock solution (4.7) 10mL, plus 2% nitric acid solution (4.8) diluted to volume to 1000mL Flask, the standard solution of 10mg/L yttrium internal standard solution (as the ICP/MS detection of online internal standard to calibrate the sensitivity of the instrument). ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 3873-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 3873-2014_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 SN/T 3873-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 3873-2014_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.