ASTM B561-94(1999)e1

Заменен

Standard Specification for Refined Platinum — 2 стр.

Область применения

1.1 This specification covers refined platinum as sponge, cast bar, and wrought forms (Note 1) in two grades as follows:

1.1.1 Grade 99.95 -Platinum having a purity of 99.95%, min, and

1.1.2 Grade 99.99 -Platinum having a purity of 99.99% min.

Note 1-Other forms of unfabricated platinum of commerce are not to be excluded under this specification. Note 2-For the purposes of determining conformance with this specification, an observed value obtained from analysis shall be rounded to the nearest unit in the last right hand place of figures used in expressing the limiting value, in accordance with the rounding off method of Practice E29.

1.2 The values stated in inch-pound units are to be regarded as the standard. SI units are provided for information only.

Заменен на

ASTM B561-94(2005)

ICS

77.120.99 Other non-ferrous metals and their alloys / Цветные металлы и их сплавы прочие

Сборник ASTM

02.04 Nonferrous Metals – Nickel, Titanium, Lead, Tin, Zinc, Zirconium, Precious, Reactive, Refractory Metals and Alloys: Materials for Thermostats, Electrical Heating and Resistance Contact, and Connectors / Цветные металлы - Никель, Кобальт, Свинец, Олово, Цинк, Кадмий, Драгоценные металлы, химически активные металлы, Тугоплавкие металлы и сплавы, Материалы для Термостатов, Электронагревательных приборов, Контактов, Соединительные устройств

Тематика

Other Nonferrous Metals