Valid

YS/T 953.2-2014Methods for chemical analysis of fire smelting nickel substrate material. Part 2: Determination of silicon content. Molybdosilicate blue spectrophotometric method and perchloric acid dehydration gravimetric method (English PDF)

火法冶炼镍基体料化学分析方法第2部分：硅量的测定硅钼蓝分光光度法和高氯酸脱水重量法

Preview PDF

This is a limited preview

Buy now to download the full PDF (1 pages)

Need quotation for your management?

Get a formal quotation for YS/T 953.2-2014 in 30 minutes.

Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

October 14, 2014

Implementation date

April 1, 2015

Scope

YS/T 953.2-2014 is the English-translated version of 火法冶炼镍基体料化学分析方法第2部分：硅量的测定硅钼蓝分光光度法和高氯酸脱水重量法.

YS/T 953.2-2014 — YS/T of the provisions of section 953 determination pyrometallurgical nickel substrate compound silicon molybdenum blue spectrophotometric method and perchloric acid dehydration gravimetric method the amount of silicon.

This section applies to the determination of pyrometallurgical nickel substrate compound of silicon content. 1 measured in the range of 0.10% to 2.00%; the second measurement method in the range of 0.50% - 6.00%.

Found what you need?

Document preview — YS/T 953.2-2014

National Standard of the People's Republic of China

ICS: 77.120.40
Classification: H 13

Issued by: Ministry of Industry and Information Technology

Foreword
1 Scope
2 Normative references
3.1 Method summary
3.2 Reagents

Foreword

YS/T 953 "pyro-metallurgical materials for chemical analysis of nickel substrate" is divided into 11 parts.

--- Part 1. Determination of the amount of nickel dimethylglyoxime spectrophotometry and dimethylglyoxime gravimetric method;

--- Part 2. Determination of the amount of silicon molybdenum blue spectrophotometric method and perchloric acid dehydration gravimetric method;

--- Part 3. Determination of phosphorus content of bismuth phosphorus molybdenum blue spectrophotometric method;

--- Part 4. Determination of chromium content ammonium ferrous sulfate titration;

--- Part 5. Determination of manganese content - Potassium periodate spectrophotometric method;

--- Part 6. Determination of cobalt content of 5-Cl-PADAB spectrophotometry and flame atomic absorption spectrometry;

--- Part 7. Determination of copper content bicyclic cyclohexanone oxalyl Spectrophotometric Method and flame atomic absorption spectrometry;

--- Part 8. Determination of iron content dichromate method;

--- Part 9. Carbon and sulfur content was measured high-frequency combustion infrared absorption method;

--- Part 10. nickel, chromium, manganese, cobalt, copper, phosphorus content - Inductively coupled plasma atomic emission spectrometry;

--- Part 11. lead, arsenic, cadmium, mercury content - Inductively Coupled Plasma Mass Spectrometry.

This is Part 2 YS/T 953, wherein the method of arbitration law.

This section drafted in accordance with GB/T 1.1-2009 given rules.

The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized.

This section is responsible for drafting unit. Zhongbao Binhai Nickel Industry Co., Ltd.

Part 1 Drafted by. Zhongbao Binhai Nickel Industry Co., Ltd.

This section 1 involved in the drafting unit. Guangxi Silver billion mining and metallurgy company in Guangdong Province Science and Technology Industrial Technology Research Institute (Guangzhou Nonferrous Metal Research, Hospital), People's Republic of China Changshu Exit Inspection and Quarantine.

1 Scope

YS/T of the provisions of section 953 determination pyrometallurgical nickel substrate compound silicon molybdenum blue spectrophotometric method and perchloric acid dehydration gravimetric method the amount of silicon.

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 20066 Steel and iron - Sampling and determination of the chemical composition of the sample with a sample preparation method 3 1 silicon molybdenum blue spectrophotometry

3.1 Method summary

Samples with sulfur nitrate mixed acid dissolved. In acid medium, silicic acid and ammonium molybdate generation silicon molybdenum heteropoly acid, in the presence of oxalic acid to reduce it to Silicon molybdenum blue at 810nm wavelength spectrophotometer, the absorbance was measured to calculate the amount of silicon.

3.2 Reagents

Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity of its water.

3.2.1 sulfuric acid (rho = 1.84g/mL).

3.2.2 nitric acid (rho = 1.42g/mL).

3.2.3 sulfur nitrate mixed acid (sulfuric acid. nitric acid. water = 50.8.942).

3.2.4 potassium permanganate solution (40g/L).

3.2.5 Hydrogen peroxide (14).

3.2.6 ammonium molybdate solution (50g/L).

3.2.7 oxalic acid solution (50g/L).

3.2.8 ferrous ammonium sulfate solution (60g/L). 5mL per 100mL containing sulfuric acid.

3.2.9 Silicon standard solution.

3.2.9.1 silicon standard stock solution (100µg/mL). Weigh 0.2140g by burning 1100 °C 1h of silica (wSi>=99.9%) Upon platinum crucible, added 8g of anhydrous sodium carbonate, thoroughly mixed, melted at 1050 °C for 30min, then cooled to 200mL PTFE Ethylene beaker, and washed with an appropriate amount of water leaching platinum crucible, and then the solution was transferred to 1000mL volumetric flask, dilute to the mark with water, Mix well. Store in a polyethylene bottle.

3.2.9.2 Silicon standard solution (10µg/mL). Pipette 10.00mL silicon standard solution (3.2.9.1) in 100mL polyethylene flask to

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 1 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 20066Steel and iron -- Sampling and preparation of samples for the determination of chemical composition

How to Download YS/T 953.2-2014

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.