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Total Hardness Test

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Total Hardness Test
Jar Test Procedure for Precipitants Coagulants ...
Jar Test Procedure for Precipitants Coagulants ...

A jar test procedure as described above can help to establish the optimum pH within the 7.5 to 11 range. For adjusting pH, sodium hydroxide is recommended. However, other common chemicals can be used — such as soda ash and lime. For some applications (nickel complexes) magnesium hydroxide is an effective reagent.

Eaux-Javel
Eaux-Javel

Household bleach is, in general, a solution containing 3-8% sodium hypochlorite and 0.01-0.05% sodium hydroxide; the sodium hydroxide is used to slow the decomposition of sodium hypochlorite into sodium chloride and sodium chlorate. In household form, sodium …

Bleach Facts: Defense Against HAI-Causing Pathogens ...
Bleach Facts: Defense Against HAI-Causing Pathogens ...

Clorox does not purchase sodium hydroxide or chlorine that is manufactured with the mercury cell process. This eliminates a source of mercury contaminants found in some bleach products. During use and disposal, 95% to 98% of bleach rapidly breaks down back into salt and water. The remaining byproducts are effectively treated by municipal wastewater and septic systems. Bleach does not …

Wastewater | AQUASOL Water Treatment Solutions | Page 2
Wastewater | AQUASOL Water Treatment Solutions | Page 2

Sodium Hydroxide, or caustic soda is ,used, in a range of applications, from household general purpose cleaner to PH buffer and iron removal systems. AQUASOL D303: D 303 is designed to penetrate soil surface and wet soil particles together, to resist windage.

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