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共找到 1223 条与 相关的标准,共 82

Methods for chemical analysis of tantalum and niobium—Part 11:Determination of arsenic,antimony,lead,tin and and bismuth contents in niobium—Direct current arc atomic emission spectrometry

ICS
77.120.99
CCS
H14
发布
2020-03-06 00:00:00.0
实施
2021-02-01 00:00:00.0

Methods for chemical analysis of gold concerntrates—Part 3:Determination of arsenic content

ICS
73.060.99
CCS
D46
发布
2019-12-31 00:00:00.0
实施
2020-11-01 00:00:00.0

Methods for chemical analysis of silicate rocks—Part 33: Determination of arsenic, stibium, bismuth and mercury elements content—Hydride generation atomic fluorescence spectrometry

ICS
73.080
CCS
D53
发布
2019-12-10 00:00:00.0
实施
2020-07-01 00:00:00.0

Methods for chemical analysis of gold ores—Part 3:Determination of arsenic content

ICS
73.060.99
CCS
D46
发布
2019-12-10 00:00:00.0
实施
2020-11-01 00:00:00.0

Methods for chemical analysis of copper ores, lead ores and zinc ores—Part 21: Determination of arsenic content—Hydride generation atomic fluorescence spectrometry

ICS
73.060
CCS
D40
发布
2019-10-18 00:00:00.0
实施
2020-05-01 00:00:00.0

Determination of chromium, cadmium, lead and arsenic in water treatment chemicals—Inductively coupled plasma atomic emission spectrometry

ICS
71.040.40
CCS
G76
发布
2019-08-30 00:00:00.0
实施
2020-07-01 00:00:00.0

Determination of arsenic in coal

ICS
73.040
CCS
D21
发布
2019-06-04 00:00:00.0
实施
2020-01-01 00:00:00.0

Methods for chemical analysis of gold concentrates—Part 13: Determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury contents—Inductively coupled plasma atomic emission spectrometry

ICS
77.150.01
CCS
D46
发布
2019-06-04 00:00:00.0
实施
2020-05-01 00:00:00.0

Methods for chemical analysis of germanium metal—Part 1:Determination of arsenic content—Arsenic stain method

ICS
77.040
CCS
H17
发布
2018-12-28 00:00:00.0
实施
2019-11-01 00:00:00.0

Safety threshold values of cadmium,lead,chromium,mercury,and arsenic in soil for rice production

ICS
13.080
CCS
B10
发布
2018-09-17 00:00:00.0
实施
2019-04-01 00:00:00.0

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 19: Determination of arsenic and mercury contents

ICS
77.120.99
CCS
H14
发布
2018-09-17 00:00:00.0
实施
2019-06-01 00:00:00.0

Safety threshold values of cadmium, lead, chromium, mercury, and arsenic in upland soils for planting rootstalk vegetables

ICS
13.080.01
CCS
B10
发布
2018-09-17 00:00:00.0
实施
2019-04-01 00:00:00.0

Fluorspar—Determination of arsenic content—Silver diethyldithiocarbamate spectrometric method

ICS
73.080
CCS
D52
发布
2018-09-17 00:00:00.0
实施
2019-06-01 00:00:00.0

Limit on element content of lead,arsenic,cadmium,mercury,fluorine and chlorine in iron ore

ICS
73.060.10
CCS
D31
发布
2018-05-14 00:00:00.0
实施
2019-04-01 00:00:00.0

Methods for chemical analysis of aluminium and aluminium alloys—Part2: Determination of arsenic content

ICS
77.120.10
CCS
H12
发布
2018-05-14 00:00:00.0
实施
2019-02-01 00:00:00.0

本标准规定了铁矿石中铅、砷、镉、汞、氟和氯的限量要求,取样和制样以及测定方法。 本标准适用于钢铁冶炼用天然和加工铁矿石。

Limit on element content of lead, arsenic, cadmium, mercury, fluorine and chlorine in iron ore

ICS
73.060.10
CCS
D31
发布
2018-05-14
实施
2019-04-01

GB/T 20975的本部分规定了铝及铝合金中砷含量的测定方法。 本部分适用于铝及铝合金中砷含量的测定,铝及铝合金中所有共存元素均不干扰砷的测定。方法一测定范围为:>0.000 5%~0.020%;方法二测定范围为:0.000 002%~0.000 5%。

Methods for chemical analysis of aluminium and aluminium alloys.Part 2:Determination of arsenic content

ICS
77.120.10
CCS
H12
发布
2018-05-14
实施
2019-02-01

The assessment method of the heavy metal Sb,As,Ba,Se and Cr(Ⅵ)in furniture

ICS
97.140
CCS
Y80
发布
2018-03-15 00:00:00.0
实施
2018-10-01 00:00:00.0

Determination of chromium,arsenic,cadmium,stibium,and lead in cosmetics—Inductively coupled plasma mass spectrometry

ICS
71.100.70
CCS
Y42
发布
2018-02-06 00:00:00.0
实施
2018-09-01 00:00:00.0

Inspection of grain and oils—Determination of sodium,mgnesium, kalium, calcium, chromium, manganese, iron, copper, zinc, arsenic, selenium, cadmium and plumbum in cereals and derived products—Iductively cupled pasma-mss sectrometric method

ICS
67.060
CCS
X11
发布
2018-02-06 00:00:00.0
实施
2018-09-01 00:00:00.0



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