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GB/T 6367-2012 English PDF

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Q: Should I purchase the latest version GB/T 6367-2012?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6367-2012 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 6367-2012: Surface active agents -- Preparation of water with known calcium hardness
Status: Valid

GB/T 6367: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6367-2012	189	Add to Cart	3 days	Surface active agents -- Preparation of water with known calcium hardness	Valid
GB/T 6367-1997	319	Add to Cart	3 days	Surface active agents--Preparation of water with known calcium hardness	Obsolete
GB/T 6367-1990	RFQ	ASK	3 days	Surface active agents--Preparation of water with known calcium hardness	Obsolete

Similar standards

GB/T 7383 GB/T 6368 GB/T 6369 GB/T 6370 GB/T 6366

Basic data

Standard ID: GB/T 6367-2012 (GB/T6367-2012)
Description (Translated English): Surface active agents -- Preparation of water with known calcium hardness
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G72
Classification of International Standard: 71.100.40
Word Count Estimation: 8,860
Older Standard (superseded by this standard): GB/T 6367-1997
Quoted Standard: GB/T 601-2002; GB/T 631-2007; GB/T 6682-2008
Adopted Standard: ISO 2174-1990, MOD
Regulation (derived from): National Standards Bulletin No. 41 of 2012
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 known calcium hardness water preparation. This standard applies to test surfactants and surfactant-containing products used in the preparation of the known calcium hardness of the water. In many surfactant hard water test, the

GB/T 6367-2012: Surface active agents -- Preparation of water with known calcium hardness

---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.
ICS71.100.40 G72 National Standards of People's Republic of China Replacing GB/T 6367-1997 Preparation of a surfactant known calcium hardness of water (ISO 2174.1990, MOD) Issued on. 2013-08-01 2012-12-31 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard rule according to GB/T 1.1-2009 given draft. This standard replaces/T6367-1997 "surfactant known calcium hardness water prepared" GB , compared with the GB/T 6367-1997, The main changes are as follows. --- Delete ISO foreword; --- To adopt standard degree of modification adopted; --- Added "analysis of the balance" (see 6.6); --- Increase the informative Appendix A. This standard uses redrafted law revision adopted ISO 2174.1990 "Preparation of calcium hardness of water surfactant known." This standard and ISO 2174.1990 compared to the more structural adjustment, listed in Appendix A of this standard and ISO 2174.1990's Reg number table. This standard and ISO 2174.1990 and technical reasons for the difference. on normative references, this standard has been technically Adjust the difference to fit our technical conditions, adjust focus reflected in Chapter 2, "Normative references", the specific adjustment as follows. --- With a modified adoption of international standards of GB/T 6682-2008 instead of ISO 3696. 1987 (see 5.1); --- Increase cited GB/T 601-2002 (see 5.4); --- Increase cited GB/T 631-2007 (see 5.3); --- Removed ISO 385-1. 1984, ISO 648. 1977, ISO 1042. 1983, ISO 1773. 1976. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee Chemistry (specialty) surfactant Technical Committee (SAC/TC63/SC8) centralized. This standard was drafted. Zhejiang Feijian Chemical Co., Ltd., Shaoxing Knitting Co., Ltd. Hao dream. The main drafters of this standard. Ruan Jianwei, Hejian Lan. This standard replaces the standards previously issued as follows. --- GB/T 6367-1986, GB/T 6367-1990, GB/T 6367-1997. Preparation of a surfactant known calcium hardness of water Warning. potassium cyanide is highly toxic, in accordance with the provisions of the safe operation of toxic substances, sodium hypochlorite and hydrogen peroxide can be decomposed damage.

1 Scope

This standard specifies the known calcium hardness water preparation. This standard applies to the preparation of surfactant-containing products used in known calcium hardness of the water in the test surfactant and. In many surfactant hard water test, calcium hardness and magnesium hardness no essential difference, so these tests can usually known calcium Hardness of calcium chloride solution is carried out.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. Preparation of GB/T 601-2002 Chemical reagents Titration standard solution GB/T 631-2007 Chemicals ammonia GB/T 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD)

3 Definitions and Terminology

The following terms and definitions apply to this document. 3.1 Water hardness waterhardness Refers to the water due to the presence of calcium and magnesium (in exceptional circumstances, strontium barium salt or a salt) has properties. 3.2 Water hardness measurement unit theunitofmeasurementofwaterhardness It is millimoles per liter (mmol/L), mmol/L calcium hardness equivalent to 40.08mg per liter of calcium. Other units of measurement of water hardness Its conversion relationship between them, see Appendix B. Note. Water hardness measured initially by its ability to damage caused by the formation of soap bubbles evaluated, this property is mainly due to the presence of calcium and magnesium, but the His metal salts such as iron, aluminum and manganese salts, although rarely in natural water content, have the same effect. Principle 4 An appropriate amount of calcium chloride dissolved in water into the reservoir to Mordant black 11 and a mixture of methyl red as indicator, with edetate Disodium salt would be an appropriate volume of stock solution is diluted by the liquid complex titration of calcium content, a dilute solution of the desired hardness can be prepared.

5 Reagents and materials

5.1 test water Third grade water requirements of GB/T 6682-2008 prescribed. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 6367-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 6367-2012_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 6367-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 6367-2012_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 6367-2012?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6367-2012 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.