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GB/T 22596-2008 English PDF

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US$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 22596-2008: Water treatment chemicals -- General method for determination of iron content
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22596-2008	139	Add to Cart	3 days	Water treatment chemicals -- General method for determination of iron content	Valid

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Basic data

Standard ID: GB/T 22596-2008 (GB/T22596-2008)
Description (Translated English): Water treatment chemicals -- General method for determination of iron content
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G76
Classification of International Standard: 71.040.40
Word Count Estimation: 6,663
Date of Issue: 2008-12-23
Date of Implementation: 2009-09-01
Regulation (derived from): National Standard Approval Announcement 2008 No.21 (Total No.134)
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 treatment agent method for the determination of iron in General. This standard applies to the handling agent, the iron content in the sample solution for the determination of water in the 10��g ~ 500��g range.

GB/T 22596-2008: Water treatment chemicals -- General method for determination of iron content

---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.
Water treatment chemicals. General method for determination of iron content ICS 71.040.40 G76 National Standards of People's Republic of China Water treatment agent Determination method of Iron General Posted 2008-12-23 2009-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee of Chemical Water Treatment Chemicals Branch (SAC/TC63/SC5) centralized. This standard is drafted by. CNOOC Tianjin Chemical Research & Design Institute, Tianjin Pacific Technology Co., Ltd. The main drafters of this standard. Shaohong Qian, Li Lin, Zhu Zhuanjun, Bai Ying. Water treatment agent Determination method of Iron General

1 Scope

This standard specifies the iron content in the water treatment agent determination General. This standard applies to the treatment agent in the test solution for the determination of iron content in the water within the range 10μg ~ 500μg.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 602 Determination of impurities in chemical reagents prepared standard solution (GB/T 602-2002, ISO 6353-1. 1982, NEQ) with GB/T 603 chemical reagent test method Preparations of articles (GB/T 603-2002, ISO 6353-1 with. 1982, NEQ) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)

3 Method summary

With ascorbic acid test solution of Fe3 + is reduced to Fe2 +. At a pH of from 2 to 9.00, Fe2 + and 1,10-phenanthrene  morpholino generated orange red envelope Compound, absorbance was measured in a spectrophotometer maximum absorption wavelength (510nm) at. Under certain conditions, the complex at pH 4-6 measured. Large amount of alkali metal, calcium, strontium, barium, magnesium, manganese (Ⅱ), arsenic (Ⅲ), arsenic (Ⅴ), uranium (Ⅵ), lead, chloride, bromide, iodide, thiocyanate , Acetate, perchlorate, sulfate, nitrate, sulfide, partial borate, selenium, citrate, tartrate, phosphate and 100mg The following germanium (Ⅳ) in the test solution, the determination without interference. Such as the presence of citrate, tartrate, arsenate or greater than the test solution Phosphate 100mg, the color slowly.

4 Reagents and materials

The reagents used in this standard, unless otherwise specified, shall use analytical reagent and in line with GB/T 6682 stipulated three of water. Impurity standard solution, test preparation and products required, did not indicate when the other requirements, according to GB/T 602, GB/T 603 of Regulation Set preparation. Safety Tips. strong acids used in this standard is corrosive, should pay attention. When contacted, rinse with plenty of water, avoid inhalation or Contact with the skin. Hydrochloric acid solution was 4.1. 1 + 1. 4.2 ammonia solution. 1 + 2. 4.3 persulfate solution. 40g/L. 4.4 acetic acid - sodium acetate buffer solution. pH = 4.5. 4.5 ascorbic acid solution. 100g/L. The solution was to use a period of one week. 4.6 1,10-phenanthrene  morpholino solution. 2g/L. 4.7 iron stock standard solution. 0.1mg/mL. 1mL of this standard solution contains 0.100mg of iron (Fe). 4.8 iron standard solution. 20μg/mL. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 22596-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 22596-2008_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 22596-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 22596-2008_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.