GB/T 13171.2-2022 PDF English
US$110.00 · In stock · Download in 9 secondsGB/T 13171.2-2022: Laundry powders - Part 2: Test method Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB/T 13171.2: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 13171.2-2022 | English | 110 |
Add to Cart
|
0-9 seconds. Auto-delivery
|
Laundry powders - Part 2: Test method
| Valid |
| GB/T 13171.2-2009 | English | 70 |
Add to Cart
|
0-9 seconds. Auto-delivery
|
Laundry powders (phosphate free)
| Obsolete |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB/T 13171.2-2022
GB/T 13171.2-2022: Laundry powders - Part 2: Test 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/GBT13171.2-2022
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 71.100.40
CCS Y 43
Replacing GB/T 13171.2-2009
Laundry powders - Part 2: Test method
ISSUED ON: JULY 11, 2022
IMPLEMENTED ON: AUGUST 01, 2023
Issued by: State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
Introduction ... 5
1 Scope ... 6
2 Normative references ... 6
3 Terms and definitions... 6
4 Test methods ... 7
Laundry powders - Part 2: Test method
1 Scope
This document describes the test methods for the physical-chemical indicators and
performance of laundry powders.
This document applies to laundry powders, which are produced with surfactants and
other additives.
2 Normative references
The contents of the following documents constitute essential provisions of this
document through normative references in the text. Among them, for dated references,
only the version corresponding to the date applies to this document; for undated
references, the latest version (including all amendments) is applicable to this document.
GB/T 6368 Surface active agents - Determination of pH of aqueous solution -
Potentiometric method
GB/T 6682 Water for analytical laboratory use - Specification and test methods
GB/T 13171.1-2022 Laundry powder - Part 1: Technical requirements
GB/T 13173-2021 Surface active agents - Test methods for detergents
GB/T 13174 Determination of detergency and cycle of washing property for laundry
detergents
JJF 1070 Rules of metrological testing for net quantity of products in prepackages
with fixed content
QB/T 1323 Detergent - Determination of surface tension - Circular ring lifting liquid
film method
3 Terms and definitions
There are no terms and definitions, that need to be defined, in this document.
4 Test methods
4.1 General
Unless otherwise specified, only reagents confirmed to be analytically pure and grade-
4 or above water conforming to GB/T 6682 are used in the analysis.
According to the provisions of Chapter 4 of GB/T 13173-2021, the laboratory samples
of laundry powder are reduced.
4.2 Appearance
Under indirect light conditions, carry out direct visual observation. Pour the product on
the white paper and observe; if there is agglomeration, but the agglomeration is
loosened by pressing lightly by hand, it is regarded as qualified.
4.3 Apparent density
It is determined, according to the provisions of Chapter 13 of GB/T 13173-2021.
4.4 Total active content
It is determined, according to the provisions of Chapter 7 of GB/T 13173-2021.
The general inspection is according to method A; the method B is required, when the
test result does not include water co-solvent.
The content of nonionic surfactant is determined, according to the provisions of Chapter
8 of GB/T 13173-2021.
4.5 Total phosphorus pentoxide content
It is determined, according to the phosphomolybdate blue colorimetric method, in
Chapter 6 of GB/T 13173-2021. The quinoline phosphomolybdate gravimetric method
is used, as the arbitration method for phosphorus-containing laundry powder.
4.6 Free base content
It is determined, according to the provisions of Chapter 20 of GB/T 13173-2021.
4.7 pH
Prepare the specimen solution, according to the requirements in Chapter 5 of GB/T
13171.1-2022. Weigh 0.1 g or 0.05 g of the specimen, accurate to 0.001 g. Add 100 mL
of water. Electromagnetically stir to fully dissolve it. Keep at 25 °C, whilst stirring it
gently. Make determination, according to GB/T 6368.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
Tips & Frequently Asked QuestionsQuestion 1: How long will the true-PDF of English version of GB/T 13171.2-2022 be delivered?Answer: The full copy PDF of English version of GB/T 13171.2-2022 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 13171.2-2022_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 13171.2-2022_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+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB/T 13171.2-2022 -- 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. Question 5: Should I purchase the latest version GB/T 13171.2-2022?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 13171.2-2022 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. How to buy and download a true PDF of English version of GB/T 13171.2-2022?A step-by-step guide to download PDF of GB/T 13171.2-2022_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 13171.2-2022".
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
|