Leaching - Hongding Chem Chemical Reagents Thu, 03 Jul 2025 08:27:35 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 246622208 Caustic Soda Pearls (Sodium Hydroxide Pearls) https://hongdingintl.com/products/caustic-soda-pearls-sodium-hydroxide-pearls/ Sat, 19 Apr 2025 08:52:43 +0000 http://www.hongdings.com/?post_type=product&p=2936 Caustic Soda Pearls (Sodium Hydroxide Pearls) has strong alkalinity and extremely strong corrosiveness. It is widely used in chemical manufacturing, metallurgy, pulp & paper production, petroleum processing, textile industry, consumer chemicals.

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]]> Product Name: Caustic Soda Pearls (Sodium Hydroxide Pearls)
CAS No: 1310-73-2
Einecs No: 215-815-5
HS Code: 2815110000
Formula: NaOH
Grade Standard: Tech Grade / Food Grade
Appearance: White Pearls
Packaging Details: 25KG/BAG, 1000KG/BAG
Application: Mainly applied in Food processing, Oil extraction, Pulp & paper manufacturing, Synthetic fiber production, Textile printing/dyeing, Wastewater treatment, Non-ferrous metallurgy, Fertilizer production, Organic synthesis, Pharmaceutical manufacturing, Consumer chemicals, Polymer processing and so on.

Specification

Item Range FLAKE PEARL
NaOH ≥ 98.50% 99%
NaCl ≤ 0.05% 0.03%
Fe2O3 ≤ 0.008% 0.005%
Na2CO3 ≤ 0.8% 0.5%

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]]> 2936 Caustic Soda Flakes (Sodium Hydroxide Flakes) https://hongdingintl.com/products/caustic-soda-flakes-sodium-hydroxide-flakes/ Sat, 19 Apr 2025 07:42:14 +0000 http://www.hongdings.com/?post_type=product&p=2932 Caustic Soda Flakes (Sodium Hydroxide Flakes) has strong alkalinity and extremely strong corrosiveness. It is widely used in chemical manufacturing, metallurgy, pulp & paper production, petroleum processing, textile industry, consumer chemicals.

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]]> Product Name: Caustic Soda Flakes (Sodium Hydroxide Flakes)
CAS No: 1310-73-2
Einecs No: 215-815-5
HS Code: 2815110000
Formula: NaOH
Grade Standard: Tech Grade / Food Grade
Appearance: White Flakes
Packaging Details: 25KG/BAG, 1000KG/BAG
Application: Mainly applied in Food processing, Oil extraction, Pulp & paper manufacturing, Synthetic fiber production, Textile printing/dyeing, Wastewater treatment, Non-ferrous metallurgy, Fertilizer production, Organic synthesis, Pharmaceutical manufacturing, Consumer chemicals, Polymer processing and so on.

Specification

Item Range FLAKE PEARL
NaOH ≥ 98.50% 99%
NaCl ≤ 0.05% 0.03%
Fe2O3 ≤ 0.008% 0.005%
Na2CO3 ≤ 0.8% 0.5%

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]]> 2932 Lead Nitrate https://hongdingintl.com/products/lead-nitrate/ Tue, 15 Apr 2025 08:14:27 +0000 http://www.hongdings.com/?post_type=product&p=2914 Lead nitrate, Pb(NO3)2, an inorganic lead salt, forms hard, lustrous white cubic/monoclinic crystals with high water solubility. Primarily used in ore processing, lead salt production, mordant formulation, and manufacturing of fireworks & explosives.

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]]> CAS No: 10099-74-8
Einecs No: 233-245-9
HS Code: 2834299090
UN NO: 1469
Formula: Pb(NO3)2
Grade Standard: TECH GRADE
Appearance: White cubic crystal or monoclinic crystal system
Packaging Details: 1000KG/IBC, 25KG/BAG
Application: Used as a flotation agent in mining, cream-yellow pigment in glass/enamel production, and yellow paper dye in paper manufacturing. Functions as a mordant in textiles and raw material for lead salts/dioxide in inorganic chemistry.
Essential in pharmaceuticals for astringent production, leather tanning for benzene processing, and photosensitizer in photography. Also serves as an oxidizing agent for matches/fireworks/explosives, and as an analytical reagent in chemistry.

Specification:

Item Standard Value
Purity (Pb(NO3)2) ≥99.0%
Fe ≤0.0003%
Cu ≤0.0004%
Water ≤1.8%
Water Insoluble ≤0.02%
Free Acid ≤0.1%
PH /

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]]> 2914 Ferrous Sulfate (Mono.& Hepta.) https://hongdingintl.com/products/ferrous-sulfate-mono-hepta/ Tue, 06 Aug 2024 02:44:03 +0000 http://www.hongdings.com/product/dark-grey-jeans/ Ferrous sulfate is water-soluble but practically insoluble in ethanol, decomposing at red heat to form ferric oxide while releasing sulfur dioxide and sulfur trioxide, can be used as flocculant, iron oxide pigment, mordant, preservative, disinfectant, pesticide, fertilizer, feed, and in the production of iron salts, etc.

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]]> <strong>Product Name:</strong> Ferrous Sulfate (Mono.& Hepta.)
<strong>CAS No:</strong> 7720-78-7
<strong>Einecs No:</strong> 231-753-5
<strong>HS Code:</strong> 2833291000
<strong>Formula:</strong> FeSO4·H2O; FeSO4·7H2O
<strong>Grade Standard:</strong> Food Grade, Tech Grade, Feed Grade
<strong>Appearance:</strong>
FeSO4·H2O: Off-white powder
FeSO4·7H2O: Blue-green crystal
<strong>Packaging Details:</strong> 25KG/BAG, 1000KG/BAG

<strong>Application:</strong>
Ferrous sulfate can be used as flocculant, iron oxide pigment, mordant, preservative, disinfectant, pesticide, fertilizer, feed, and in the production of iron salts, etc

Specification:

Item Range Unit Standard
FeSO4·H2O FeSO4·7H2O
Ferrous sulfate (FeSO4·H2O) ≥ ω/% 91.4 –
Ferrous sulfate (FeSO4·7H2O) ≥ ω/% – 98
Iron (Fe) ≤ ω/% 30 19.7
Arsenic (As) ≤ ω/% 0.0002 0.0002
Lead (Pb) ≤ ω/% 0.002 0.002
Fineness (180μm sieve) ≤ ω/% 95 –
Water insoluble ≤ ω/% – 0.5

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