HOME   Cart(12)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189760 (18 Oct 2025)

GB/T 17831-1999 PDF English

US$80.00 · In stock · Download in 9 seconds
GB/T 17831-1999: Non-ionic surface active agents. Determination of sulfated ash. Gravimetric method
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
GB/T 17831-1999English80 Add to Cart 0-9 seconds. Auto-delivery Non-ionic surface active agents. Determination of sulfated ash. Gravimetric method  

Excerpted PDFs (Download full copy in 9 seconds upon purchase)

PDF Preview: GB/T 17831-1999
      

Similar standards

GB/T 7383   GB/T 6369   GB/T 11275   GB/T 45000   

GB/T 17831-1999: Non-ionic surface active agents. Determination of sulfated ash. Gravimetric method


---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT17831-1999
GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 71.100.40 G 72 neq ISO 4322.1977 Non-Ionic Surface Active Agents - Determination of Sulfated Ash - Gravimetric Method Issued on: AUGUST 12, 1999 Implemented on: FEBRUARY 01, 2000 Issued by. State Bureau of Quality and Technical Supervision

Table of Contents

Foreword ... 3 1 Scope ... 4 2 Normative References ... 4 3 Principle ... 4 4 Reagents ... 4 5 Instruments ... 4 6 Sampling ... 5 7 Test Procedures ... 5 8 Result Expression ... 6 9 Test Report ... 6

Foreword

This Standard is not equivalent to use international standard ISO 4332.1997 Non-Ionic Surface Active-Agents – Determination of Sulfated Ash – Gravimetric Method. This Standard changed the platinum crucible used in ISO 4322 into porcelain crucible; changed the heating by gas lamp into heating by an electric furnace; ignited the sample with filter paper core, so that the sample can burn smoothly without splashing. This Standard was proposed by State Bureau of Light Industry. This Standard shall be under the jurisdiction of National Technical Committee for Standardization of Surfactant Cleaning Products. Drafting organization of this Standard. Research Institute of Daily Chemical Industry. Chief drafting staff of this Standard. Liu Qi’e. Non-Ionic Surface Active Agents - Determination of Sulfated Ash - Gravimetric Method

1 Scope

This Standard specifies the gravimetric method to determine the sulfate ash in the general non-ionic surface active-agent. This Standard is applicable to determine the sulfate ash in the general non-ionic surface active-agent.

2 Normative References

The following standards contain provisions which, through reference in this Standard, constitute provisions of this Standard. At the time of publication, the editions indicated are valid. All standards are subject to revision. The parties who are using this Standard shall explore the possibility of using the latest version of the following standards. GB/T 13173.1-1991 Method of Sample Division for Detergents (eqv ISO 607.1980)

3 Principle

The test portion was calcined in the presence of a sulfuric acid solution; and the ash in the form of sulfate was weighed.

4 Reagents

During the analysis process, only use the analytically pure reagents and distilled water or the water with at least equivalent purity. Sulfuric acid. approximately 6mol/L solution.

5 Instruments

The general instruments in laboratory and the following apparatuses. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

Tips & Frequently Asked Questions

Question 1: How long will the true-PDF of English version of GB/T 17831-1999 be delivered?

Answer: The full copy PDF of English version of GB/T 17831-1999 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.

Question 2: Can I share the purchased PDF of GB/T 17831-1999_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 17831-1999_English will be deemed to be sold to your employer/organization who actually paid 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. www.ChineseStandard.us -- GB/T 17831-1999 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.

How to buy and download a true PDF of English version of GB/T 17831-1999?

A step-by-step guide to download PDF of GB/T 17831-1999_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
Step 2: Search keyword "GB/T 17831-1999".
Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart.
Step 4: Select payment option (Via payment agents Stripe or PayPal).
Step 5: Customize Tax Invoice -- Fill up your email etc.
Step 6: Click "Checkout".
Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively.
Step 8: Optional -- Go to download PDF.
Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice.
See screenshots for above steps: Steps 1~3    Steps 4~6    Step 7    Step 8    Step 9