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SN/T 0831-1999 Method for the determination of iron aluminum silicon magnesium and calcium in chromium ores for import and export—ICP-AES with microwave dissolution method (USD) via email in 1-3 business day VALID
GB/T 24221-2009 Chromium ores—Determination of calcium and magnesium contents—EDTA titrimetric method (USD) via email in 1-3 business day VALID
YB/T 5265-1999 (USD) via email in 1-3 business day ABOLISHED
YB/T 191.1-2001 Methods for chemical analysis of chromium ores -- The gravimetric method for the determination of moisture content (USD) via email in 1-3 business day
GB/T 24226-2009 Chromium ores and concentrates—Determination of calcium contents—Flame atomic absorption spectrometric method (USD) via email in 1-3 business day VALID
YB/T 505.5-2007 (USD) via email in 1-3 business day VALID
YB/T 505.3-2007 (USD) via email in 1-3 business day VALID
SN/T 1118-2002 Determination of chromium,silicon,iron,aluminium,magnesium and calcium in chromium ores-wavelength dispersive X-ray fluorescence spectrometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YB/T 505.4-2007 (USD) via email in 1-3 business day VALID
YB/T 505.6-2007 (USD) via email in 1-3 business day VALID
GB/T 24222-2009 Chromium ores—Determination of moisture of lots (USD) via email in 1-3 business day VALID
YB/T 4066-1991 (USD) via email in 1-3 business day VALID
GB/T 24193-2009 Chromium ores and concentrates—Determination of aluminium iron magnesium and silicon content—Inductively coupled plasma atomic emission spectrometry (USD) via email in 1-3 business day VALID
SN 0066-1992 Method for samplling and sample preparation of chrome ores in bulk for import (USD) via email in 1-3 business day ABOLISHED
GB/T 24227-2009 Chromium ores and concentrates—Determination of silicon content—Spectrophotometric method and gravimetric method (USD) via email in 1-3 business day VALID
GB/T 24231-2009 Chrome ores—Determination of magnesium aluminum silicon calcium titanium vanadium chrome manganese iron and nickel content—Wavelength dispersive X-ray fluorescence spectrometric method (USD) via email in 1-3 business day VALID
GB/T 24228-2009 Chromium ores and concentrates—Methods of chemical analysis—General instruction (USD) via email in 1-3 business day VALID
ZB D 33002-1990 via email in ABOLISHED please email coc@codeofchina.com for quotation
YB/T 5265-2007 (USD) via email in 1-3 business day VALID
YB/T 191.4-2001 Methods for chemical analysis of chromium ores -- The potassium dichromate titrimetric method for the determination of total iron content (USD) via email in 1-3 business day
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