GB/T 31931-2015

Active

Zinc or zinc alloy coating on steel sheets or strips—Determination of hexavalent chromium content—1,5-Diphenylcarbohydrazide (diphenylcarbazide) spectrophotometric method

钢板及钢带锌及锌合金镀层中六价铬含量的测定二苯碳酰二肼分光光度法

Standard Type

GBT

ICS

77.080.01

CCS

H11

Status

现行

Issue Date

2015-09-11

Implementation

2016-06-01

Responsible Dept

中国钢铁工业协会

Drafting Unit

N/A