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GB/T 11417.7-2012 English PDF

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US$599.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 11417.7-2012: [Including 2022XG1] Ophthalmic optics -- Contact lenses -- Part 7: Physicochemical properties test methods
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 11417.7-2012	599	Add to Cart	5 days	[Including 2022XG1] Ophthalmic optics -- Contact lenses -- Part 7: Physicochemical properties test methods	Valid

Similar standards

GB/T 11417.4 GB 11417.2 GB/T 11417.6 GB/T 11417.8 GB/T 11417.1 GB/T 11417.5

Basic data

Standard ID: GB/T 11417.7-2012 (GB/T11417.7-2012)
Description (Translated English): [Including 2022XG1] Ophthalmic optics -- Contact lenses -- Part 7: Physicochemical properties test methods
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: C40
Classification of International Standard: 11.040.70
Word Count Estimation: 26,213
Quoted Standard: GB/T 6682-2008; GB/T 11417.1-2012; GB 11417.2-2012; GB 11417.3-2012; GB/T 11417.4-2012; GB/T 11417.6-2012
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 applies to contact lenses physical and chemical properties of the test.

GB/T 11417.7-2012: [Including 2022XG1] Ophthalmic optics -- Contact lenses -- Part 7: Physicochemical properties test methods

---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.
ICS11.040.70 C40 National Standards of People's Republic of China Ophthalmic optics Contact lenses Part 7. Test methods for physical and chemical properties Part 7. Physicochemicalpropertiestestmethods Issued on. 2013-06-01 2012-12-31 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions Physical and chemical properties of the contact lens 4 1 4.1 Test methods, units, repeatability 1 4.2 Extraction 2 4.3 oxygen permeability coefficient of 4 A refractive index of 4.4 16 4.5 moisture content 17 4.6 contact angle 19 5 21 test reports

Foreword

"Optics - Contact lenses" and GB/T 28539 "Ophthalmic optics - Contact lenses and contact lens care products preservative uptake and release Guidelines for determination of discharge "and GB/T 28538" Ophthalmic optics - Contact lenses and contact lens care products rabbit eye test compatibility of "common structure Contact lens into the national standards. "Optics - Contact lenses" is divided into nine sections. --- Part 1. Vocabulary, classification and identification of recommended specifications; (GB/T 11417.1) --- Part 2. rigid contact lenses; (GB 11417.2) --- Part 3. soft contact lenses; (GB 11417.3) --- Part 4. Test standard salt solution; (GB/T 11417.4) --- Part 5. Test methods for optical properties; (GB/T 11417.5) --- Part 6. Mechanical test methods; (GB/T 11417.6) --- Part 7. Test methods for physical and chemical properties; (GB/T 11417.7) --- Part 8. determination of validity; (GB/T 11417.8) --- Part 9. ultraviolet and visible radiation aging test (in vitro method); (GB/T 11417.9) This is Part 7. Rules in this section in accordance with GB/T 1.1-2009 given draft. This technical content part reference ISO 18369-4.2006 "Ophthalmic optics - Contact lenses - Part 4. Physical and chemical properties test method" and ANSIZ80.20-2004 "ophthalmic contact lens standard terminology, tolerances, measurement and physicochemical properties." Please note that some of the content of this document may involve patent issuing authority of this document does not assume responsibility for the identification of these patents. This part is proposed by the State Food and Drug Administration. This part of the National Optics and Photonics Standardization Technical Committee medical optical instruments and Technical Committee (SAC/TC103 / SC1) centralized. This section drafted by. State Food and Drug Administration Hangzhou Medical Device Quality Supervision and Inspection Center, Zhejiang Medical Devices Unit The inspection. The main drafters of this section. Wen Yan, JIA Xiao Hang, He Tao, Qi Weiming, Zhang Li, Huang precisely. Ophthalmic optics Contact lenses Part 7. Test methods for physical and chemical properties

1 Scope

GB/T 11417.7 gives the test methods for physical and chemical properties of the contact lens material, including extraction, oxygen permeability coefficient, refractive index, and the water content Contact angle. This section applies to a contact lens physical and chemical properties of the test.

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 version of this (including any amendments) applies to this document. GB/T 6682-2008 analytical laboratory use specifications and test methods GB/T 11417.1-2012 Ophthalmic optics - Contact lenses - Part 1. Vocabulary, classification and identification specifications recommended GB 11417.2-2012 optics - Contact lenses - Part 2. rigid contact lenses GB 11417.3-2012 optics - Contact lenses - Part 3. Soft contact lenses GB/T 11417.4-2012 Ophthalmic optics - Contact lenses - Part 4. Test standard saline solution GB/T 11417.6-2012 Ophthalmic optics - Contact lenses - Part 6. Test methods for mechanical properties

3 Terms and Definitions

Terms and definitions GB/T 11417.1-2012 defined in this document apply. Physical and chemical properties of the contact lens 4 4.1 Test methods, units, repeatability Table 1 has been used in the production of hydrogel contact lens and physicochemical properties of the hydrogel material is non-measurable. In addition, Table 1 to A test method for these properties, units and repeatability. The use of other test methods should also comply with the following provisions. Table 1 Physical and chemical properties of test methods, units, repeatability Item Unit Test Method for Measuring the repeatability B extracted mass fraction 4.2 Oxygen permeation coefficient of 10% Dk units a 4.3 The refractive index of 0.01 dimensionless 4.4 Moisture content of 2% (absolute value) 4.5% The contact angle of 2 ° (°) 4.6 aDk unit is 10-11 (cm2/s) [mLO2/(mL · hPa)]. b according to the GB/T 11417.1-2012 terms and definitions, these repeatable test results established by independent laboratories. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 11417.7-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 11417.7-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 11417.7-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 11417.7-2012_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.