Determination method of fulvic acid and humic acid

Determination method of fulvic acid and humic acid, Total:52 items.

The international standard classification for "Determination method of fulvic acid and humic acid" includes: Fertilizers , Extraction and processing of petroleum and natural gas , Coals , Animal feeding stuffs , Footwear .

Shaanxi Provincial Standard of the People's Republic of China

DB61/T 1024-2016 Determination method of humic acid in organic fertilizer containing mineral source humic acid

HG/T 3276-2019 Test method of humic acid ammonium fertilizer
HG/T 1-1143-1978 Quality inspection method of ammonium humate fertilizer
HG/T 3276-2012 Test Method of Humic Acid Ammonium Fertilizer
HG/T 5937-2021 Rapid determination of humic acid and fulvic acid content
HG/T 5603-2019 Determination ofbio-humic acidin fertilizers produced by food waste
HG/T 5936-2021 Determination of carbon coefficient of humic acid
HG/T 3276-1999 Test method of humic acid ammonium fertilizers
HG/T 5602～5604-2019 Mineral source humic acid organic fertilizer, determination method of biological humic acid content in fertilizer produced from kitchen waste and nitrohumic acid (2019)

T/NAIA 028-2021 Determination of water-soluble humic acid content in organic fertilizers - volumetric method
T/CHAIA 6-2019 Determination method of humic acid carbon coefficient
T/CBFIA 02001-2020 Determination of thermostability of phytase
T/CI 003-2022 Index and determination method of phytic acid content in low phytic acid wheat variety

SY 5814-2008 Determination of humic acid content in humic acid treatment agents for drilling fluids
SY/T 5814-2008 Determination for the content of humic acid in drilling agent containing the same
SY/T 5814-1993 Determination method of effective content of humic acid in humic acid treatment agent for drilling fluid

GB/T 26713-2025 Footwear—Chemical tests—Determination of dimethyl fumarate（DMFu）
GB/T 23877-2009 Determination of citric acid,fumaric acid and lactic acid in feed acidifier—High performance liquid chromatography
GB/T 11957-2001 Determination of yield of humic acids in coal
GB/T 26713-2011 Footwear - Chemical tests - Determination of dimethyl fumarate (DMF)

DB22/T 1690-2012 Determination of Humic Acid Content in Humic Acid Compound Fertilizer

SN/T 4065-2014 Determination of methyl hydrogen fumarate and dimethyl fumarate in botanic Chinese medicinal material for export - Liquid chromatography method
SN/T 3623-2013 Determination of dimethy fumarate in foods for export

DB51/T 842-2008 Determination of Humic Acid Content in Fertilizers - Potassium Dichromate

DB37/T 2224-2012 Determination of lactic acid, malic acid, tartaric acid, fumaric acid, phosphoric acid and citric acid in feed acidifiers

NEN 5920-1988 Aggregates for concrete - Determination of content of fulvo acid
NEN 6332-1980 test methods for vegetable and animal oils and fats - Determination of acidity (acid value)

NF M01-019*NF ISO 5073:2013 Brown coals and lignites - Determination of humic acids

GOST R 70210-2022 Solid mineral fuel. Methods for determination of the yield of humic acids
GOST ISO 5073-2016 Brown coals and lignites. Determination of humic acids
GOST 30089-1993 Vegetable oils. Method for determination of erucic acid
GOST 9517-1994 Solid fuel. Methods for determination of humic acids yeild
GOST 30089-2018 Vegetable oils. Method for determination of erucic acid
GOST R 52110-2003 Vegetable oils. Methods for determination of acid value
GOST 9517-1976 Brown coals and hard coals. Methods for the determination of humic acids yieds
GOST 30418-1996 Vegetable oils. Method for determination of fatty acid content
GOST 5476-1980 Vegetable oils. Methods for the determination of acid value
GOST 31933-2012 Vegetable oils. Methods for determination of acid value
GOST 31487-2012 Enzyme preparations. Methods of phytase enzyme activity determination
GOST 5480-2023 Vegetable oils and natural fatty acids. Methods for determination of soap