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GB/T 6150.14-2008 English PDF

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Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6150.14-2008 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 6150.14-2008: Methods for chemical analysis of tungsten concentrates -- Determination of manganese content -- The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method
Status: Valid

GB/T 6150.14: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6150.14-2008	189	Add to Cart	3 days	Methods for chemical analysis of tungsten concentrates -- Determination of manganese content -- The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method	Valid
GB/T 6150.14-1985	199	Add to Cart	2 days	Methods for chemical analysis of tungsten concentrates--The molybdenum blue photometric method for the determination of silicon dioxide content	Obsolete

Similar standards

GB/T 4325.8 GB/T 4325.7 GB/T 4325.6 GB/T 6150.20 GB/T 6150.19 GB/T 6150.12

Basic data

Standard ID: GB/T 6150.14-2008 (GB/T6150.14-2008)
Description (Translated English): Methods for chemical analysis of tungsten concentrates -- Determination of manganese content -- The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H63
Classification of International Standard: 77.120.99
Word Count Estimation: 8,865
Date of Issue: 2008-03-31
Date of Implementation: 2008-09-01
Older Standard (superseded by this standard): GB/T 6150.16-1985
Regulation (derived from): National Standard Approval Announcement 2008 No.5 (Total No.118)
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 method for the determination of manganese content of tungsten concentrates. This method applies to the determination of manganese content of tungsten concentrates. Measuring range: more than 2% to 20%.

GB/T 6150.14-2008: Methods for chemical analysis of tungsten concentrates -- Determination of manganese content -- The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method

---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 chemical analysis of tungsten concentrates. Determination of manganese content. The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method ICS 77.120.99 H63 National Standards of People's Republic of China Replacing GB/T 6150.16-1985 Methods for chemical analysis of tungsten concentrates - Determination of manganese content Ammonium ferrous sulfate volumetric method and flame Atomic Absorption Spectrometry Posted 2008-03-31 2008-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 6150 "Methods for chemical analysis of tungsten concentrates" is divided into 17 parts. Determination of GB/T 6150.1 Methods for chemical analysis of tungsten concentrates of tungsten trioxide amount of ammonium tungstate burning gravimetric method GB/T 6150.2 Methods for chemical analysis of tungsten concentrates - Determination of tin content of potassium iodate volumetric method and hydride generation atomic absorption spectrometry GB/T 6150.3 Methods for chemical analysis of tungsten concentrates - Determination of phosphorus content of phosphorus molybdenum yellow spectrophotometry Determination of GB/T 6150.4 Methods for chemical analysis of tungsten concentrates sulfur content of high frequency infrared absorption method Determination of EDTA volumetric method and atomic GB/T 6150.5 Methods for chemical analysis of tungsten concentrates calcium absorption spectrometry GB/T 6150.6 Methods for chemical analysis of tungsten concentrates - Determination of hygroscopic water gravimetric method GB/T 6150.7 Methods for chemical analysis of tungsten concentrates - Determination of the amount of tantalum and niobium plasma emission spectroscopy and spectrophotometry GB/T 6150.8 Methods for chemical analysis of tungsten concentrates - Determination of molybdenum content - Thiocyanate spectrophotometric GB/T 6150.9 Methods for chemical analysis of tungsten concentrates - Determination of copper content - Flame atomic absorption spectrometry GB/T 6150.10 Methods for chemical analysis of tungsten concentrates - Determination of lead content by flame atomic absorption spectrometry GB/T 6150.11 Methods for chemical analysis of tungsten concentrates of zinc content - Flame Atomic Absorption Spectrometry GB/T 6150.12 Methods for chemical analysis of tungsten concentrates - Determination of silicon dioxide content and weight of molybdenum blue spectrophotometric method Hydride atomic GB/T 6150.13 Methods for chemical analysis of tungsten concentrates the amount of arsenic absorption spectroscopy and spectroscopic DDTC-Ag Spectrophotometry GB/T 6150.14 Methods for chemical analysis of tungsten concentrates - Determination of manganese content of ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometry GB/T 6150.15 Methods for chemical analysis of tungsten concentrates bismuth content - Flame Atomic Absorption Spectrometry GB/T 6150.16 Methods for chemical analysis of tungsten concentrates - Determination of iron content sulfonic acid spectrophotometry Hydride atomic GB/T 6150.17 Methods for chemical analysis of tungsten concentrates antimony content absorption spectrometry This section GB/T 6150 Part 14. This Part replaces GB/T 6150.16-1985 "chemical analysis of tungsten concentrates - The atomic absorption spectrophotometric determination of manganese content." Section compared with the GB/T 6150.16-1985 The main changes are as follows. --- Determination method increases the ammonium ferrous sulfate volumetric method for the determination of manganese content; --- Increased repeatability terms. This part is proposed by the China Nonferrous Metals Industry Association. The non-ferrous metal part by the National Standardization Technical Committee. This section is Ganzhou Nonferrous Metallurgy Research Institute, China Nonferrous Metals Industry Institute of Standards Metrology and Quality is responsible for drafting. This section was drafted by Ganzhou Nonferrous Metallurgy Research Institute. This section is under ridge Jiangxi Tungsten Industry Co., Ltd. participated in the drafting. The main drafters of this Part 1. Lai sword, Juran. The main drafters of this section Method 2. Liu Dajiong, Zhao. The main part of the method validation person. Xu Jingguang. This part of the standard replaces the previous editions are. --- GB/T 6150.16-1985. Methods for chemical analysis of tungsten concentrates - Determination of manganese content Ammonium ferrous sulfate volumetric method and flame Atomic Absorption Spectrometry Method 1. ammonium ferrous sulfate volumetric method

1 Scope

This method specifies the method for determination of manganese content in tungsten concentrates. This method is suitable for the Determination of manganese content. Measurement range. more than 2% to 20%.

2 Method summary

Sample decomposition by phosphoric acid, disodium hydrogen phosphate buffer solution was added, in the presence of silver nitrate, ammonium persulfate as the low-cost high-manganese oxide of manganese, Heated to boiling destroy excess ammonium persulfate, ferrous ammonium sulfate solution was titrated with standard.

3 Reagents

Unless otherwise indicated, this part of the reagents used are in line with national standards or industry standard analytical reagent, the water are distilled water. 3.1 parathion mixed acid solution. preparation methods. 5% (volume fraction) solution of sulfuric acid and 5% (volume fraction) of phosphoric acid solution by 1.1 Mixing ratio. 3.2 phosphoric acid (ρ1.69g/mL). 3.3 Disodium hydrogen phosphate solution (100g/L). 3.4 solution of ammonium persulfate (200g/L), the time is now equipped with. 3.5 silver nitrate solution (20g/L), stored in brown bottles. 3.6 diphenylamine sulfonate indicator solution (5g/L). 3.7 sulfuric acid solution (1 + 9). 3.8 standard potassium dichromate solution (0.01mol/L). Weigh 2.9417g by 150 ℃ baking 1h drying baseline potassium dichromate, dissolved in water, Move 1000mL volumetric flask, constant volume, and mix. 3.9 standard ferrous ammonium sulfate solution (0.1mol/L). Weigh ferrous ammonium sulfate 39g, dissolved in sulfuric acid solution (3.7) and treated with a solution of sulfuric acid (3.7) diluted to 1000mL, and mix, stored in a brown bottle, with calibration time. Ferrous ammonium sulfate standard solution for calibration. Pipette accurately 20.00mL ferrous ammonium sulfate standard solution (3.9) in a triangular pyramid 300mL flask, 100mL parathion mixed acid solution (3.1), add 2 to 3 drops of sodium diphenylamine sulfonate indicator solution (3.6), with standard potassium dichromate solution (3.8), titrated to a stable blue end Point, note the number of volume Vp 1. According to formula (1) to calculate the concentration of ammonium ferrous sulfate solution, in units of moles per liter. Ba Ba 1 × 2 = 2 Vp 1 Vp (1) Where. Ba 2 --- molar concentration of ferrous ammonium sulfate, expressed in moles per liter (mol/L); Ba 1 --- potassium bichromate standard solution molarity units per liter (mol/L); Volume Vp 1 --- consumption of potassium dichromate standard solution, in milliliters (mL); ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 6150.14-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 6150.14-2008_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 6150.14-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 6150.14-2008_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.

Question 5: Should I purchase the latest version GB/T 6150.14-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6150.14-2008 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.