GB/T 1419-2015Sponge platinum (English PDF)

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules.

This standard replaces GB/T 1419-2004 "platinum sponge." This standard compared with the original standard, the main technical changes are as follows.

--- Modify platinum sponge product designation SM-Pt99.95 in Pb content of impurity elements from the 0.005% to 0.003%;

--- Deleting non-essential measure impurity element calcium requirements (see Table 1, 2004 edition);

--- Increase the amount of platinum sponge product ignition loss allowable range (see 3.2.3);

--- Deleting the original determination of platinum in Appendix A of the impurity elements in the ordinary emission spectrometry reference to YS/T 361;

--- Appendix A inductively coupled plasma atomic emission spectrometry determination of impurities in the expansion of the four methods of impurities of zirconium, bismuth, tin and other elements containing ruthenium Detection ranges;

--- Appendix B Determination of platinum sponge increased hydrogen ignition loss method weight reduction requirements.

1 Scope

This standard specifies the requirements for platinum sponge, test methods, inspection rules and signs, packaging, transportation, storage, quality certificates and orders (Or contract) content.

This standard applies to platinum sponge products.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein. For undated references, the latest edition (including any amendments) applies to this document.

Emission spectroscopy YS/T 361 pure platinum impurity element

3 Requirements