GB/T 34003-2017 English PDF

US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 34003-2017: Detection method of impurity elements in boron nitride
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34003-2017	199	Add to Cart	3 days	Detection method of impurity elements in boron nitride	Valid

Similar standards

GB/T 37208   GB/T 37224   GB/T 34007   GB/T 45335   

Basic data

Standard ID: GB/T 34003-2017 (GB/T34003-2017)
Description (Translated English): Detection method of impurity elements in boron nitride
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q69
Classification of International Standard: 49.025.99
Word Count Estimation: 10,172
Date of Issue: 2017-07-12
Date of Implementation: 2018-02-01
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

GB/T 34003-2017: Detection method of impurity elements in boron nitride

---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.
Detection method of impurity elements in boron nitride ICS 49.025.99 Q69 National Standards of People's Republic of China Determination of impurity elements in boron nitride 2017-07-12 released 2018-02-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Building Materials Federation. This standard is the national non-metallic mineral products and products Standardization Technical Committee (SAC/TC406) centralized. The drafting of this standard. Tsinghua University Analysis Center, Agilent Technologies Co., Ltd., Xianyang Non-metallic Mining Research Institute Co., Ltd., North Beijing new Austrian ring standard physical and chemical analysis and testing center, the National Nonmetallic Products Quality Supervision and Inspection Center, Beijing Institute of Physical and Chemical Analysis and Testing Center. The main drafters of this standard. Wang Hui, Wu Chunhua, Shang Xingchun, Xia Min, Tian Xiaoqing, Duan Yaping, Wu Yanwen, Ouyang Kun. Determination of impurity elements in boron nitride

1 Scope

This standard specifies the inductively coupled plasma atomic emission spectrometry for the determination of impurity elements in boron nitride products. Lithium, sodium, calcium, magnesium, iron, zinc, Copper, nickel, manganese, titanium, strontium, cadmium method principles, reagents and equipment, analysis steps and precision. This standard applies to boron nitride powder, boron nitride wire, boron nitride particles of lithium, sodium, calcium, magnesium, iron, zinc, copper, nickel, manganese, titanium, strontium, cadmium Determination of the substance.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 6682 Analytical laboratory water specifications and test methods

3 Principle of the method

Boron nitride sample with nitric acid, hydrofluoric acid mixed in the microwave digestion conditions dissolved, with 1. 1 nitric acid acid 2 times to remove hydrofluoric acid, dilution set The contents of lithium, sodium, calcium, magnesium, iron, zinc, copper, nickel, manganese, titanium, strontium and cadmium were measured by inductively coupled plasma atomic emission spectrometry content. The minimum detection concentration of this method is shown in Table 1. Table 1 Element Li Na Ca Mg Fe Zn Cu Ni Mn Ti Sr Cd Minimum detection concentration mg/kg 0.5 2.0 0.5 0.5 0.8 0.3 0.5 0.8 0.1 0.5 0.2 0.5

4 reagents and equipment

4.1 basic reagents and pure water 4.1.1 hydrofluoric acid. purity not lower than the MOS level. 4.1.2 nitric acid. purity not lower than the MOS level. 4.1.3 Nitric acid. (1 1). 4.1.4 Hydrochloric acid. (1 1). 4.1.5 pure water. purity should not be less than GB/T 6682 provisions of the secondary water. 4.2 Standard stock solution and standard solution 4.2.1 lithium standard stock solution. weighed in (105 ± 5) ℃ drying of anhydrous lithium chloride 0.6108g, soluble in pure water, transferred to 1000mL capacity ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 34003-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 34003-2017_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 34003-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 34003-2017_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.