{"product_id":"formulary-hydroquinone-1lb","title":"Photographers' Formulary Hydroquinone for B+W Film Developer, 1lbs","description":"\u003cstrong\u003ePhotographers' Formulary Hydroquinone (1 lb)\u003c\/strong\u003e is used for black and white film developer \u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ecomponent, that builds density in combination with other developers.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eAt temperatures bellow 50°F\/10°C hydroquinone developers are inactive. It is extremely susceptible to the action of bromide.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eWhen compounded with alkali carbonates it gives a slow-working but contrasty developer.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eWith caustic alkalies (e.g., sodium hydroxide) its action is very rapid, with the highest possible contrast. For this reason, it is the most widely used developer for technical applications, especially in process work where the highest attainable contrast is essential.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eIn the presence of caustic alkali (i.e. high pH) it is not temperature-sensitive and can be used for low temperature developing.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eHydroquinone developers keep well and are slowly exhausted.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eHydroquinone alone is not largely used but in combination with metol (MQ) or Pheinidone (PQ), it is among the most popular developers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eBy varying the relative quantities of metol and hydroquinone and adjusting the quantities of sulfite and carbonate, almost any desired contrast or rate of development can be obtained.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e \u003cbr\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eVitamin C can be used as a substitute for hydroquinone. Start by using 1.6 times the weight of hydroquinone, and increase the alkali (i.e., borax, carbonate, etc.) by 1.6 times to compensate for acidity of the vitamin C.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eStable under ordinary conditions of use and storage. Solution becomes brown in air due to oxidation.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong\u003eTechnical Specs:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eSynonyms: \u003c\/strong\u003e1,4-Dihydroxybenzene, Para-Dihydroxybenzene, 1,4-Benzenediol, Dihydroxybenzene, Hydrochinon, Hydroquinol, Quinol, Tecquinol\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eAppearance:\u003c\/strong\u003e White crystals, lustrous, silky, white needles, odorless\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eUses:\u003c\/strong\u003e Black \u0026amp; white photographic developer component, that builds density in combination with other developers.\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e C6H4(OH)2\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e1lbs (0.45kg)\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cem\u003e\u003cstrong data-mce-fragment=\"1\"\u003e*\u003cmeta charset=\"utf-8\"\u003eChoose UPS Ground at Checkout. No shipping by mail (USPS) or outside the Continental USA (lower 48 States only), Unable to ship to Canada. UPS Ground only! (Class 6.1) \u003cbr\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cem\u003e*\u003cstrong data-mce-fragment=\"1\"\u003eN\u003c\/strong\u003e\u003cstrong data-mce-fragment=\"1\"\u003eOT \u003c\/strong\u003e\u003cstrong data-mce-fragment=\"1\"\u003eF\u003c\/strong\u003e\u003cstrong data-mce-fragment=\"1\"\u003eo\u003c\/strong\u003e\u003cstrong data-mce-fragment=\"1\"\u003er Hu\u003c\/strong\u003e\u003cstrong data-mce-fragment=\"1\"\u003eman Consumption, NOT For Cosmetic Uses, NOT For Medicinal or Horticultural Purposes.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/span\u003e","brand":"Photographers' Formulary","offers":[{"title":"Default Title","offer_id":39440329343021,"sku":"58348","price":39.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/6167\/4285\/products\/58348_Hero.png?v=1647536420","url":"https:\/\/glozerscamera.shop\/products\/formulary-hydroquinone-1lb","provider":"Glazer's Camera","version":"1.0","type":"link"}