GB/T 42657-2023

Active

Test method of temperature coefficient of infrared refractive index for infrared optical glass —Normal incidence method

红外光学玻璃红外折射率温度系数测试方法垂直入射法

Standard Type

GBT

ICS

81.040.30

CCS

Q37

Status

现行

Issue Date

2023-08-06

Implementation

2024-03-01

Responsible Dept

中国建筑材料联合会

Drafting Unit

N/A

🔗 Related Standards / 同类标准

GB/Z 2640-2021 Injection vials made of moulded glass GB/Z 12414-2021 Pharmaceutical glass tube GB/T 4870-1985 Sheet glass dimension series GB/T 903-1987 Colourless optical glass GB/T 7962.7-1987 Colourless optical glass test methods--Examination method for extent of stria GB/T 7962.13-1987 Colourless optical glass test methods--Coefficient of thermal conductivity GB/T 9987-1988 Terms of glass container manufacture GB/T 12416.2-1990 Glass--Hydrolytic resistance ofglass grains at 121℃--Test method and classification