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GB/T 30376-2013 English PDF

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US$209.00 · In stock
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GB/T 30376-2013: Determination of iron, manganese, copper, zinc, calcium, magnesium, potassium, sodium, phosphorus, sulfur in tea -- Inductively coupled plasma atomic emission spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 30376-2013	209	Add to Cart	3 days	Determination of iron, manganese, copper, zinc, calcium, magnesium, potassium, sodium, phosphorus, sulfur in tea -- Inductively coupled plasma atomic emission spectrometry	Valid

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Basic data

Standard ID: GB/T 30376-2013 (GB/T30376-2013)
Description (Translated English): Determination of iron, manganese, copper, zinc, calcium, magnesium, potassium, sodium, phosphorus, sulfur in tea -- Inductively coupled plasma atomic emission spectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X55
Classification of International Standard: 67.140.10
Word Count Estimation: 9,942
Quoted Standard: GB/T 8302; GB/T 8303
Regulation (derived from): National Standards Bulletin 2013 No. 27
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 tea iron (Fe), manganese (Mn), copper (Cu), zinc (Zn), calcium (Ca), magnesium (Mg), potassium (K), sodium (Na), phosphorus (P), sulfur (S), inductively coupled plasma atomic emission spectrometry (ICP-AES) measurement principl

GB/T 30376-2013: Determination of iron, manganese, copper, zinc, calcium, magnesium, potassium, sodium, phosphorus, sulfur in tea -- Inductively coupled plasma atomic emission spectrometry

---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.
Determination of iron, manganese, copper, zinc, calcium, magnesium, potassium, sodium, phosphorus, sulfur in tea. Inductively coupled plasma atomic emission spectrometry ICS 67.140.10 X55 National Standards of People's Republic of China Tea iron, manganese, copper, zinc, calcium, magnesium, potassium, sodium, phosphorus, Inductively coupled plasma atomic sulfur Atomic Emission Spectrometry Determinationofiron, manganese, copper, zinc, calcium, magnesium, potassium, sodium, phosphorus, sulfurintea-Inductivelycoupled Issued on. 2013-12-31 2014-06-22 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. The standard proposed by China Federation of Supply and Marketing Cooperatives. This standard by the National Standardization Technical Committee of tea (SAC/TC339) centralized. This standard was drafted. China Testing Technology Research Institute, China Federation of Supply and Marketing Cooperatives Hangzhou Tea Research Institute. The main drafters of this standard. Tan peace, Zhang Yulan, Lu Hao, Gao Yang, Zhou Weilong, Sun Yujie, Gu Wang Xi. Tea iron, manganese, copper, zinc, calcium, magnesium, potassium, sodium, phosphorus, Inductively coupled plasma atomic sulfur Atomic Emission Spectrometry

1 Scope

This standard specifies the tea iron (Fe), manganese (Mn), copper (Cu), zinc (Zn), calcium (Ca), magnesium (Mg), potassium (K), sodium (Na), phosphorus (P), Principle of sulfur (S), inductively coupled plasma atomic emission spectrometry (ICP-AES) assay, reagents, instruments and equipment, sample preparation, determination, Results calculated precision. This standard applies to tea, iron, manganese, copper, zinc, calcium, magnesium, potassium, sodium, phosphorus, sulfur determination. Each element of the method detection limits specified in Table 1. Table 1 inductively coupled plasma atomic emission spectrometry with a detection limit unit micrograms per kilogram Elements Fe Mn Cu Zn Ca Mg PSK Na Microwave Digestion 916,422,219,292,511 Wet digestion 1,137,621,422,313,215

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 8302 sampling tea Sample Preparation and Determination of dry matter content GB/T 8303 Tea grated Principle 3 The samples were processed, the introduction of the test solution by inductively coupled plasma atomic emission spectrometry (ICP-AES), in particular with the working curve for each element Zheng spectrum signal corresponding response in contrast, come to the content of each element.

4 Reagents

4.1 Requirements Unless otherwise specified, all reagents excellent pure, the water used by the ultra-pure water, ultra-pure water resistivity after processing is not less than 18.2MΩ · cm. 4.2 Reagent Preparation 4.2.1 nitrate. 4.2.2 30% hydrogen peroxide. 4.2.3 2% nitric acid solution. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 30376-2013_English be delivered?

Answer: Upon your order, we will start to translate GB/T 30376-2013_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 30376-2013_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 30376-2013_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.