YY 0623-2008 in English

VALID

Test method of soluble fluoride of dental materials

Issued on:2008-04-25
Implemented on:2009-12-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $40.00
$39.00

Standard No:	YY 0623-2008
Document status:	VALID
Title in English:	Test method of soluble fluoride of dental materials
Title in Chinese:	牙科材料可溶出氟的测定方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2008-04-25
Implemented on:	2009-12-01
Chinese Classification:	C33-Stomatologic device, equipment and material
Professional Classification:	YY-Pharmaceutics
Related Keywords:	test method dental materials soluble fluoride soluble fluoride content test water
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1 Scope

This standard specifies the test method of soluble fluoride of dental materials. The soluble fluoride in this standard includes fluoride released by materials directly dissolving in water and fluoride dissolved in water after different treatment methods on the materials.

This standard is applicable to determination of soluble fluoride content in materials for dental repair, adhesion and prevention and healthcare.

2 Method

2.1 Apparatus

2.1.1 Acidometer (potentiometer)

2.1.2 Composite fluoride electrode

2.1.3 Electronic balance (0.0001 g).

2.2 Reagents

2.2.1 Sodium fluoride: guaranteed reagent or analytical reagent.

2.2.2 Cyclohexanediaminetetraacetic acid(CDTA): analytical reagent.

2.2.3 Sodium chloride: analytical reagent.

2.2.4 Glacial acetic acid: analytical reagent.

2.2.5 6 mol/L sodium hydroxide.

2.2.6 5 mol/L hydrochloric acid.

2.2.7 10% sodium carbonate.

2.2.8 Water: test water shall meet the specification of Grade 3 water in GB 6682.

2.3 Testing environment

Foreword i
Introduction ii
1 Scope
2 Method
Reference

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