Answers

Answers for chemical buyers

Straight answers to the questions we are actually asked before an order: which grade, how to compare two quotes honestly, and what to send us so we can price it. Every figure quoted is one we publish on the product page it refers to.

Answer

Ferrous Sulphate Monohydrate or Heptahydrate

Ferrous sulphate monohydrate is 30% Fe; heptahydrate is 19-20% Fe. What the difference is, how to compare the two on cost per kg of iron, and what to send us for a quote.

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Magnesium Sulphate

Taskon publishes magnesium sulphate at 20% Mg anhydrous, 16% Mg monohydrate and 9.8% Mg heptahydrate. What separates the three grades and how to compare them.

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Boron Sources Compared

Boric acid, borax anhydrous, sodium tetraborate and di sodium octaborate tetrahydrate compared on the grades Taskon Industries publishes.

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MAP, DAP or MKP

Mono ammonium phosphate at 12% N and 61% P2O5, di ammonium phosphate at 18% N and 46% P2O5, and mono potassium phosphate at 52% P2O5 and 34% K2O, compared on published grades.

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Potassium Sources Compared

Potassium chloride at 60% K2O, potassium sulphate at 50% K2O, potassium nitrate at 46% K2O, potassium magnesium sulphate and potassium schoenite, compared on published grades.

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Zinc Sources Compared

Zinc sulphate monohydrate at 33% Zn, heptahydrate at 21% Zn, zinc oxide at 99% min, zinc chloride at 95% min, zinc nitrate at 22% Zn and EDTA Zn at 12-14%, compared.

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Iron Sources Compared

Ferrous sulphate monohydrate at 30% Fe, heptahydrate at 19-20% Fe, ferric sulphate at 18-23% Fe, ferric chloride at 40% solution and EDTA Fe at 12-13%, compared.

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Copper Sources Compared

Copper sulphate pentahydrate at 24-25% Cu, cupric chloride at 98% min, cuprous chloride at 97% min, copper oxide at 97% min and EDTA Cu at 14-15%, compared.

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Manganese Sources Compared

Manganese sulphate monohydrate at 31-32% Mn, manganese oxide in various grades and EDTA Mn at 12-13% chelated manganese, compared on Taskon's published figures.

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Calcium Sources Compared

Calcium nitrate at 15.5% N and 19% Ca, calcium chloride at 74-77% CaCl2, di calcium phosphate at 18% Ca and 20% P, calcium sulphate at 20-23% Ca and EDTA Ca at 10%.

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What to Send Us for a Quote

The four things that let Taskon Industries price a chemical enquiry without a round of questions, and why each one changes the answer.

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How to Read a Taskon Product Page

What the grade, the guaranteed analysis, the physical properties and the safety summary on a Taskon Industries product page do and do not tell you.

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More answers are published each month. If your question is not here, — the answer usually becomes a page. There is also a general FAQ.

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