Products

Suppliers
Filter Gallery
2,711

Anhydrous Oxalic Acid

Products
Formic Acid

Sorry! No matches were found.

Pharmaceutical Grade Oxalic Acid Anhydrous 99.6%

Pharmaceutical Grade Oxalic Acid Anhydrous 99.6%

US $ 600-750 / Ton FOB
5 Tons (MOQ)
More
Main Products: SLES, Titanium Dioxide, PVC Resin, Iron Oxide, Carbon Black, Sulphur Black
Contact Supplier
Audited Supplier Audited Supplier Since 2018
Zhengzhou Kelai Chemical Co., Ltd.

Manufacturer/Factory,Trading Company

Henan, China Since 2018
Chat Now Send Inquiry
CAS 144-62-7 Anhydrous Oxalic Acid Stone Polish

CAS 144-62-7 Anhydrous Oxalic Acid Stone Polish

US $ 450-550 / Ton FOB
10 Tons (MOQ)
More
Acid Strength : Weak Acid
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hebei Yingye New Energy Technology Co., Ltd

Manufacturer/Factory,Trading Company

Hebei, China Since 2024
Chat Now Send Inquiry
Hot Sales Anhydrous H2c2o4.2H2O Cleaner Solubility Oxalic Acid 99.6%

Hot Sales Anhydrous H2c2o4.2H2O Cleaner Solubility Oxalic Acid 99.6%

US $ 590-640 / Ton FOB
10 Tons (MOQ)
More
Main Products: Sodium Formate, Calcium Formate, Acetic Acid, Formic Acid, Sodium Sulphide, Sodium Hydrosulphide, PVC Resin, Propionic Acid, Oxalic Acid, Melamine Powder
Contact Supplier
Audited Supplier Audited Supplier Since 2021
SHANDONG PULISI CHEMICAL CO., LTD.

Trading Company

Shandong, China Since 2021
Chat Now Send Inquiry
Hot Sales Anhydrous H2c2o4.2H2O Cleaner Solubility Oxalic Acid 99.6%

Hot Sales Anhydrous H2c2o4.2H2O Cleaner Solubility Oxalic Acid 99.6%

US $ 0.1 / Ton FOB
25 Tons (MOQ)
More
Environmental Protection : Yes
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Qingdao Hisea Chem Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2007
Chat Now Send Inquiry
Cheap Deliver 99% Oxalic Acid / Ethanedioic Acid / Anhydrous Oxalic Acid CAS 144-62-7

Cheap Deliver 99% Oxalic Acid / Ethanedioic Acid / Anhydrous Oxalic Acid CAS 144-62-7

US $ 380-460 / Ton FOB
10 Tons (MOQ)
More
Main Products: caustic soda
Contact Supplier
Audited Supplier Audited Supplier Since 2024
SHANDONG JINQI CHEMICAL CO., LTD

Manufacturer/Factory

Shandong, China Since 2024
Chat Now Send Inquiry
99% Industrial Grade Anhydrous Cleaning Descaling Wastewater Treatment High Content of Oxalic Acid

99% Industrial Grade Anhydrous Cleaning Descaling Wastewater Treatment High Content of Oxalic Acid

1 Ton (MOQ)
More
Flux Type : Basic Flux
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hunan Fuxi Supply Chain Management Co.. Ltd.

Manufacturer/Factory,Other

Hunan, China Since 2024
Chat Now Send Inquiry
Cheap 99% Oxalic Acid / Ethanedioic Acid / Anhydrous Oxalic Acid

Cheap 99% Oxalic Acid / Ethanedioic Acid / Anhydrous Oxalic Acid

US $ 430-610 / Ton FOB
20 Tons (MOQ)
More
Main Products: Urea, Rosin, PP Granule, Paraffin Wax, Soy Wax, Monosodium Glutamate (Msg), PQQ, HDPE
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Tianjin Chemistone Import and Export Co., Ltd.

Trading Company

Tianjin, China Since 2024
Chat Now Send Inquiry
Factory Price 99.6% Textil Colour Marble Polish Refining Anhydrous Oxalic Acid

Factory Price 99.6% Textil Colour Marble Polish Refining Anhydrous Oxalic Acid

US $ 390-480 / Ton FOB
20 Tons (MOQ)
More
Kind : Organic Acid
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Henan Sinowin Chemical Industry Co., Ltd.

Manufacturer/Factory,Trading Company

Henan, China Since 2020
Chat Now Send Inquiry
Good Price C2H2O4 Basic Organic Chemicals Anhydrous Oxalic Acid for Dyeing

Good Price C2H2O4 Basic Organic Chemicals Anhydrous Oxalic Acid for Dyeing

US $ 350-700 / Ton FOB
1 Ton (MOQ)
More
Main Products: Sodium Lauryl Ether Sulphate/SLES, PVC Resin, Dioctyl Phthalate DOP
Contact Supplier
Since 2024
Zhengzhou Langkou Chemical Products Co., Ltd

Manufacturer/Factory,Trading Company

Henan, China Since 2024
Chat Now Send Inquiry
Hot Sales Anhydrous H2c2o4.2H2O Cleaner Solubility Oxalic Acid 99.6%

Hot Sales Anhydrous H2c2o4.2H2O Cleaner Solubility Oxalic Acid 99.6%

US $ 410 / Ton FOB
21 Tons (MOQ)
More
Environmental Protection : Yes
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Qingdao Hisea Chem Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2007
Chat Now Send Inquiry
Good Price C2H2O4 Basic Organic Chemicals Anhydrous Oxalic Acid for Dyeing

Good Price C2H2O4 Basic Organic Chemicals Anhydrous Oxalic Acid for Dyeing

US $ 350-650 / Ton FOB
1,000 Tons (MOQ)
More
Main Products: Monosodium Glutamate, Sodium Carboxymethyl Cellulose, Xanthan Gum, Sodium Benzoate, Titanium Dioxide, Ascorbic Acid, TCCA, SDIC, Calcium Hypochlorite, Sodium Chlorite
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Henan Brilliant Biotech Co., Ltd.

Manufacturer/Factory,Trading Company

Henan, China Since 2022
Chat Now Send Inquiry
High Quality 99.6% Oxalic Acid/Anhydrous Oxalic Acid C2H2O4 CAS 144-62-7

High Quality 99.6% Oxalic Acid/Anhydrous Oxalic Acid C2H2O4 CAS 144-62-7

US $ 430-610 / Ton FOB
20 Tons (MOQ)
More
Colour : White
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Tianjin Chemistone Import and Export Co., Ltd.

Trading Company

Tianjin, China Since 2024
Chat Now Send Inquiry
Food Acidity Regulators Acid Carboxylic Acid & Derivative Organic Intermediate New-type Chemical Material Catalyst & Active Agent
High Quality Anhydrous Oxalic Acid for Printing & Dyeing Mordant in Daily Chemicals CAS 144-62-7

High Quality Anhydrous Oxalic Acid for Printing & Dyeing Mordant in Daily Chemicals CAS 144-62-7

US $ 520-560 / Ton FOB
10 Tons (MOQ)
More
Main Products: TiO2, Rutile Sand, Mineral, Inorganic Chemicals, Pigments, Dyestuff, Agricultural Chemicals
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hebei Yingye New Energy Technology Co., Ltd

Manufacturer/Factory,Trading Company

Hebei, China Since 2024
Chat Now Send Inquiry
China Factory Made Supply Solid High Purity Anhydrous White Crystal Oxalic Acid

China Factory Made Supply Solid High Purity Anhydrous White Crystal Oxalic Acid

US $ 520-560 / Ton FOB
10 Tons (MOQ)
More
Stability : Stabilized Acid
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hebei Yingye New Energy Technology Co., Ltd

Manufacturer/Factory,Trading Company

Hebei, China Since 2024
Chat Now Send Inquiry
Factory Supply of Oxalic Acid and Anhydrous Formic Acid 85%: Essential for Natural Rubber Coagulant in Leather and Textile Industries

Factory Supply of Oxalic Acid and Anhydrous Formic Acid 85%: Essential for Natural Rubber Coagulant in Leather and Textile Industries

US $ 440-600 / Ton FOB
20 Tons (MOQ)
More
Main Products: Sodium Chlorite Sodium Chlorate, Lead Oxide Lead Sufate, Barium and Strontium Salt, Chlorine Dioxide, Flux and Crucible Cupel, Sodium Percarbonate, Potassium Mono Persulfate, Ammonium Polyphosphate, Soap, Detergent
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Hebei Fiza Technology Co., Ltd.

Manufacturer/Factory

Hebei, China Since 2023
Chat Now Send Inquiry
Wholesale 99.6% High Content Industrial Grade Oxalic Acid Cleaning Bleaching Agent Anhydrous Oxalic Acid

Wholesale 99.6% High Content Industrial Grade Oxalic Acid Cleaning Bleaching Agent Anhydrous Oxalic Acid

1 Ton (MOQ)
More
Composition : Organic
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hunan Fuxi Supply Chain Management Co.. Ltd.

Manufacturer/Factory,Other

Hunan, China Since 2024
Chat Now Send Inquiry
Chemical Industry Solutions: Oxalic Acid Dihydrate and Anhydrous Formic Acid for Leather and Textile Printing, Available in 90%, 85%, and 94% Purity

Chemical Industry Solutions: Oxalic Acid Dihydrate and Anhydrous Formic Acid for Leather and Textile Printing, Available in 90%, 85%, and 94% Purity

US $ 440-600 / Ton FOB
20 Tons (MOQ)
More
Main Products: Sodium Chlorite Sodium Chlorate, Lead Oxide Lead Sufate, Barium and Strontium Salt, Chlorine Dioxide, Flux and Crucible Cupel, Sodium Percarbonate, Potassium Mono Persulfate, Ammonium Polyphosphate, Soap, Detergent
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Hebei Fiza Technology Co., Ltd.

Manufacturer/Factory

Hebei, China Since 2023
Chat Now Send Inquiry
Oxalic Acid Anhydrous Cleaning Powder CAS 6153-56-6

Oxalic Acid Anhydrous Cleaning Powder CAS 6153-56-6

US $ 349-812 / Ton FOB
50 Tons (MOQ)
More
Oxidation : Non Oxidizing Acid
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hebei Chemtics Technology Co. Ltd

Manufacturer/Factory,Trading Company

Hebei, China Since 2024
Chat Now Send Inquiry
Oxalic Acid 99.6% Ethanedioic Acid White Crystal Powder Oxalic Acid Anhydrous Manufacturer Price

Oxalic Acid 99.6% Ethanedioic Acid White Crystal Powder Oxalic Acid Anhydrous Manufacturer Price

US $ 420-610 / Piece FOB
10 Pieces (MOQ)
More
Main Products: TiO2, Rutile Sand, Mineral, Inorganic Chemicals, Pigments, Dyestuff, Agricultural Chemicals
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hebei Yingye New Energy Technology Co., Ltd

Manufacturer/Factory,Trading Company

Hebei, China Since 2024
Chat Now Send Inquiry
High Purity C2H2O4 99.6% Oxalic Acid Anhydrous 25kg Per Bag

High Purity C2H2O4 99.6% Oxalic Acid Anhydrous 25kg Per Bag

US $ 300-800 / Ton FOB
5 Tons (MOQ)
More
Appearance : Powder
Contact Supplier
Audited Supplier Audited Supplier Since 2024
SHANDONG JINQI CHEMICAL CO., LTD

Manufacturer/Factory

Shandong, China Since 2024
Chat Now Send Inquiry
Related Videos
  • What is CAS 144-62-7 Anhydrous Oxalic Acid Stone Polish
    What is CAS 144-62-7 Anhydrous Oxalic Acid Stone Polish
    Negotiable
    10 Tons (MOQ)
    Contact Supplier
  • What is Hot Sales Anhydrous H2c2o4.2H2O Cleaner Solubility Oxalic Acid 99.6%
    What is Hot Sales Anhydrous H2c2o4.2H2O Cleaner Solubility Oxalic Acid 99.6%
    Negotiable
    10 Tons (MOQ)
    Contact Supplier
  • What is Hot Sales Anhydrous H2c2o4.2H2O Cleaner Solubility Oxalic Acid 99.6%
    What is Hot Sales Anhydrous H2c2o4.2H2O Cleaner Solubility Oxalic Acid 99.6%
    Negotiable
    25 Tons (MOQ)
    Contact Supplier
  • What is 99% Industrial Grade Anhydrous Cleaning Descaling Wastewater Treatment High Content of Oxalic Acid
    What is 99% Industrial Grade Anhydrous Cleaning Descaling Wastewater Treatment High Content of Oxalic Acid
    Negotiable
    1 Ton (MOQ)
    Contact Supplier
Factory Supply of Oxalic Acid and Anhydrous Formic Acid 85%: Essential for Natural Rubber Coagulant in Leather and Textile Industries

Factory Supply of Oxalic Acid and Anhydrous Formic Acid 85%: Essential for Natural Rubber Coagulant in Leather and Textile Industries

US $ 440-600 / Ton FOB
20 Tons (MOQ)
More
Main Products: Sodium Chlorite Sodium Chlorate, Lead Oxide Lead Sufate, Barium and Strontium Salt, Chlorine Dioxide, Flux and Crucible Cupel, Sodium Percarbonate, Potassium Mono Persulfate, Ammonium Polyphosphate, Soap, Detergent
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Hebei Fiza Technology Co., Ltd.

Manufacturer/Factory

Hebei, China Since 2023
Chat Now Send Inquiry
Oxalic Acid/Anhydrous Oxalic Acid C2H2O4 CAS 144-62-7

Oxalic Acid/Anhydrous Oxalic Acid C2H2O4 CAS 144-62-7

US $ 400-500 / Piece FOB
10 Pieces (MOQ)
More
Acid Strength : Weak Acid
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hebei Yingye New Energy Technology Co., Ltd

Manufacturer/Factory,Trading Company

Hebei, China Since 2024
Chat Now Send Inquiry
Wholesale Industrial Grade Oxalic Acid Wastewater Treatment 99% High Content of Dye Precipitant Descaling Anhydrous Oxalic Acid

Wholesale Industrial Grade Oxalic Acid Wastewater Treatment 99% High Content of Dye Precipitant Descaling Anhydrous Oxalic Acid

1 Ton (MOQ)
More
Main Products: Sodium Hydroxide, Sodium Carbonate, 1.4-Butanediol, Calcium Carbide, Pentaerythritol, Hydrogen Peroxide, Trisodium Phosphate, Hydrochloric Acid, Industrial Salt, Ammonium Chloride
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hunan Fuxi Supply Chain Management Co.. Ltd.

Manufacturer/Factory,Other

Hunan, China Since 2024
Chat Now Send Inquiry
Anhydrous Oxalic Acid Anhydrous CAS 144-62-7 Ethanedioic Acid CAS 144627 Oxalic Acid Anhydrous CAS: 144-62-7

Anhydrous Oxalic Acid Anhydrous CAS 144-62-7 Ethanedioic Acid CAS 144627 Oxalic Acid Anhydrous CAS: 144-62-7

US $ 410 / Ton FOB
21 Tons (MOQ)
More
Appearance : Flake
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Qingdao Hisea Chem Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2007
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

Industrial Grade Anhydrous Oxalic Acid/ Oxalic Acid 99.6 Min & 96% Using for Cleaning

Industrial Grade Anhydrous Oxalic Acid/ Oxalic Acid 99.6 Min & 96% Using for Cleaning

US $ 410 / Ton FOB
21 Tons (MOQ)
More
Main Products: Glacial Acetic Acid, Formic Acid, Soda Ash Light/Dense, Oxalic Acid, Tdi 80/20, Caustic Soda, Sorbitol, Polyether Polyol, Ethylene Glycol
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Qingdao Hisea Chem Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2007
Chat Now Send Inquiry
Pharmaceutical Grade Oxalic Acid Anhydrous 144-62-7

Pharmaceutical Grade Oxalic Acid Anhydrous 144-62-7

US $ 1-99 / kg FOB
1 kg (MOQ)
More
Appearance : Powder
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Lotusland Ltd

Manufacturer/Factory

Shanghai, China Since 2020
Chat Now Send Inquiry
Oxalic Acid, Oxalic Acid Anhydrous

Oxalic Acid, Oxalic Acid Anhydrous

10 Tons (MOQ)
More
Main Products: Pet Resin, Color Materbatch, PVC Resin, CPVC Resin, CPVC Compound, Desiccant Masterbatch, Black Masterbatch, White Masterbatch, Transparent Filler Masterbatch, PP HDPE LDPE GPPS ABS EVA PMMA
Contact Supplier
Since 2020
TAIYUAN BOJUN IMPORT AND EXPORT TRADE CO., LTD.

Manufacturer/Factory,Trading Company

Shanxi, China Since 2020
Chat Now Send Inquiry
Pharmaceutical Grade Oxalic Acid Anhydrous

Pharmaceutical Grade Oxalic Acid Anhydrous

US $ 600 / Ton FOB
25 Tons (MOQ)
More
Carboxyl No. : Dicarboxylic Acid
Contact Supplier
Audited Supplier Audited Supplier Since 2019
ZHENGZHOU MAHACO INDUSTRIAL CO., LTD.

Manufacturer/Factory,Trading Company,Group Corporation

Henan, China Since 2019
Chat Now Send Inquiry
Hot Sales Anhydrous H2c2o4.2H2O Cleaner Solubility Oxalic Acid 99.6%

Hot Sales Anhydrous H2c2o4.2H2O Cleaner Solubility Oxalic Acid 99.6%

US $ 410 / Ton FOB
21 Tons (MOQ)
More
Main Products: Glacial Acetic Acid, Formic Acid, Soda Ash Light/Dense, Oxalic Acid, Tdi 80/20, Caustic Soda, Sorbitol, Polyether Polyol, Ethylene Glycol
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Qingdao Hisea Chem Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2007
Chat Now Send Inquiry
Industrial Grade Anhydrous Oxalic Acid Dihydrate Oxalate Acid Price

Industrial Grade Anhydrous Oxalic Acid Dihydrate Oxalate Acid Price

US $ 300-600 / Ton FOB
1 Ton (MOQ)
More
Appearance : Powder
Contact Supplier
Hebei Hongbang Jinhua Import and Export Co., Ltd

Trading Company

Hebei, China
Chat Now Send Inquiry
6153-56-6 Fengda H2c2o4 99.6 Industrial Grade Dihydrate Ethanedioic Oxalic Acid Crystal Price

6153-56-6 Fengda H2c2o4 99.6 Industrial Grade Dihydrate Ethanedioic Oxalic Acid Crystal Price

US $ 300-850 / Ton FOB
1 Ton (MOQ)
More
Main Products: Oxalic Acid, Formic Acid, Calcium Formate, Potassium Formate, Sodium Sulphide, Methylene Chloride, Sodium Sulfite, Sodium Formate, Sodium Hydrosulfide, Humic Acid
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Mudanjiang Fengda Chemicals Imp. & Exp. Corp.

Manufacturer/Factory

Heilongjiang, China Since 2021
Chat Now Send Inquiry
Industrial Grade Ethanedioic Acid Oxalic Acid Powder CAS: 144-62-7

Industrial Grade Ethanedioic Acid Oxalic Acid Powder CAS: 144-62-7

US $ 500-680 / Ton FOB
10 Tons (MOQ)
More
Quality : First Class
Contact Supplier
Since 2024
Tianjin Jilian Technology Co., Ltd.

Manufacturer/Factory

Tianjin, China Since 2024
Chat Now Send Inquiry
Citric Acid Monohydrate/Anhydrous Factory Price

Citric Acid Monohydrate/Anhydrous Factory Price

US $ 500-600 / Ton FOB
25 Tons (MOQ)
More
Main Products: Chemical, Inorganic Salt, Chloride, Ammonium Chloride, Ammonium Bicarbonate, Citric Acid, Dcbs
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Zouping Boyi Chemical Industry Co., Ltd.

Manufacturer/Factory,Trading Company

Shandong, China Since 2017
Chat Now Send Inquiry
Food Additive Food Grade Citric Acid

Food Additive Food Grade Citric Acid

1 Ton (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2008
Hugestone Enterprise Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2008
Chat Now Send Inquiry
Best Quality Citric Acid Anhydrous and Citric Acid Monohydrate Bp93 Supplier

Best Quality Citric Acid Anhydrous and Citric Acid Monohydrate Bp93 Supplier

US $ 0.7-1.2 / kg FOB
25 kg (MOQ)
More
Main Products: Carbon Additive, PVC Resin, Citric Acid, Soda Ash, Paraffin Wax, Sodium Lauryl Ether Sulfate, Ferrosilicon, Ferro Manganese, SLES, PE
Contact Supplier
Since 2024
Yinchuan Returnstar Import & Export Co., Ltd

Trading Company

Ningxia, China Since 2024
Chat Now Send Inquiry
Pure 99% L-Carnitine L-Tartrate L-Tartaric Acid Powder in Bulk Price

Pure 99% L-Carnitine L-Tartrate L-Tartaric Acid Powder in Bulk Price

US $ 1,000-2,500 / Ton FOB
1 Ton (MOQ)
More
Certification : BRC, ISO, HACCP
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Mingray Technology Group Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Hunan, China Since 2023
Chat Now Send Inquiry
Formic Acid
View More

Related Searches

Chemicals Acid Organic Chemical Inorganic Chemicals Organic Acid Inorganic Acid Caustic Soda Acetic Acid Stearic Acid Wholesale Anhydrous Oxalic Acid

Browse by Categories

Home > Chemicals > Additive > Food Additive > Food Acidity Regulators
1/76
TOP

Search Filter

Categories

More Less
  • Food Acidity Regulators
  • Acid
  • Carboxylic Acid & Derivative
  • Organic Intermediate
  • New-type Chemical Material
  • Catalyst & Active Agent
  • Surface Disposal Agent
  • Flux & Impregnant
  • Chemical Auxiliary
  • Biochemical

Certification

More Less
  • ISO
  • HACCP
  • BRC
  • FDA

Nutritional Value

More Less
  • Nutritional
  • Non-nutritional

Shelf Life

More Less
  • >12 Months

Storage Method

More Less
  • Normal
  • Frozen

Type

More Less
  • Citric Acid
  • Lactic Acid
  • Tartaric Acid

Company Type

More Less
  • Trading Company
  • Manufacturer/Factory
  • Group Corporation
  • Other

Company Location

More Less
  • Hunan
  • Shandong
  • Hebei
  • Henan
  • Shanghai
  • Heilongjiang
  • Zhejiang
  • Jiangsu
  • Tianjin
  • Ningxia
  • Liaoning
  • Guangdong
  • Sichuan
  • Shanxi
  • Beijing
  • Anhui
  • Fujian
  • Shaanxi
Reset Done